May 10, 2024

New Horizons Scientists Make Landmark Ultraviolet Observations of the Heliosphere, Universe and the Local Interstellar Medium

Mission scientists are pursuing new research goals and making unique astrophysical and heliospheric observations with the suite of instruments onboard New Horizons, taking advantage of the spacecraft’s unique position in the distant Kuiper Belt.


February 20, 2024
NASA’s New Horizons Detects Dusty Hints of an Extended Kuiper Belt

October 10, 2023
New Horizons Mission Invites Community to Its 54th Science Team Meeting

September 29, 2023
New Horizons to Continue Exploring Outer Solar System

August 10, 2023
All Eyes on the Ice Giants

March 14, 2023
NASA’s New Horizons Team Discusses Discoveries from the Kuiper Belt

March 10, 2023
New Horizons Team Adds AI Smarts to Its Kuiper Belt Object Search

November 14, 2022
New Horizons ‘MOM’ Lauded for STEM Leadership

August 8, 2022
Assistant Project Scientist Brandt Brings New Expertise to New Horizons

July 5, 2022
Scientists Spot a Possible Source for Charon's Red Cap

March 29, 2022
Pluto's giant ice volcanos may have formed from multiple eruption events

February 28, 2022
Great Explorations Revisited: The 2007 Flyby of Jupiter

February 10, 2022
On Kuiper Belt Object Arrokoth, New Horizons Team Puts Names to the Places

October 25, 2021
Pluto Landmarks Named for Aviation Pioneers Sally Ride and Bessie Coleman

July 14, 2021
Great Exploration Revisited: New Horizons at Pluto and Charon

June 29, 2021
After 60 Years, Nuclear Power for Spaceflight is Still Tried and True

April 18, 2021
New Horizons at 50 (AU)

April 15, 2021
New Horizons Reaches a Rare Space Milestone

March 8, 2021
Pluto crater named for female engineer who helped bring the planet into focus

January 13, 2021
New Horizons Helps Answer the Question: How Dark Is Space?

August 27, 2020
Pluto Crater Named for New Horizons Pathfinder Tom Coughlin

July 17, 2020
The Pluto Perspective: No Sleep Until After the Flyby

July 14, 2020
Five Years after New Horizons' Historic Flyby, Here Are 10 Cool Things We've Learned About Pluto

June 15, 2020
The Pluto Perspective: An Unforgettable Flyby

June 11, 2020
The Pluto Perspective: Memories of an Amazing Encounter

June 11, 2020
New Horizons Conducts the First Interstellar Parallax Experiment

April 24, 2020
Thoughts on Interstellar Navigation by Parallax

April 17, 2020
Amateur Astronomers: Help New Horizons with a Historic Stellar Parallax Experiment

February 18, 2020
Pluto at 90

February 13, 2020
New Horizons Team Discovers a Critical Piece of the Planetary Formation Puzzle

January 29, 2020
Seeing Stars in 3D: The New Horizons Parallax Program

January 2, 2020
Looking Back: A New Horizons New Year's to Remember

December 2, 2019
New Horizons Confirms Solar Wind Slows Farther from the Sun

November 26, 2019
New Horizons Team Earns Sir Arthur Clarke Space Achievement Award

November 12, 2019
New Horizons Kuiper Belt Flyby Object Officially Named 'Arrokoth'

August 8, 2019
International Astronomical Union Approves Second Set of Pluto Feature Names

June 26, 2019
The Journey Continued

May 16, 2019
New Horizons Team Publishes First Kuiper Belt Flyby Results

March 18, 2019
A Prehistoric Puzzle in the Kuiper Belt

March 7, 2019
Ultima Thule in 3D

February 28, 2019
Research indicates small objects are surprisingly rare in the Kuiper Belt

February 22, 2019
New Horizons Spacecraft Returns Its Sharpest Views of Ultima Thule

February 8, 2019
New Horizons' Evocative Farewell Glance at Ultima Thule

February 4, 2019
Women at the Helm

January 24, 2019
New Horizons' Newest and Best-Yet View of Ultima Thule

January 15, 2019
New Movie Shows Ultima Thule from an Approaching New Horizons

January 4, 2019
Best Wishes from around the World 'Beamed' toward New Horizons in the Kuiper Belt

January 3, 2019
New Ultima Thule Discoveries from NASA's New Horizons

January 2, 2019
NASA's New Horizons Mission Reveals Entirely New Kind of World

January 1, 2019
New Horizons Successfully Explores Ultima Thule:NASA Spacecraft Reaches Most Distant Target in History

December 31, 2018
From the Associate Administrator: Go New Horizons!

December 31, 2018
New Horizons Spacecraft Homing in on Kuiper Belt Target

December 30, 2018
Media Briefings, Online Coverage of New Horizons' Ultima Thule Flyby

December 30, 2018
Hubble Paved the Way for the New Horizons Mission to Pluto and Ultima Thule

December 26, 2018
All About Ultima: New Horizons Flyby Target is Unlike Anything Explored in Space

December 22, 2018
New Horizons Notebook: On Ultima's Doorstep

December 20, 2018
Ultima Thule's First Mystery

December 18, 2018
New Horizons Takes the Inside Course to Ultima Thule

December 4, 2018
On Target: Record Setting Course-Correction Puts New Horizons on Track to Kuiper Belt Flyby

December 4, 2018
'Beam' Your Greeting to New Horizons

October 24, 2018
Media Briefing: New Horizons Team Previews Ultima Thule Flyby

October 5, 2018
New Horizons Sets Up for New Year's Flyby of Ultima Thule

September 28, 2018
New Horizons Team Rehearses for New Year's Flyby

September 17, 2018
New Horizons Team Successfully Observes Next Target, Sets the Stage for Ultima Thule Flyby

August 28, 2018
Ultima in View

August 22, 2018
New Horizons Begins Its Approach to Ultima Thule

August 4, 2018
New Horizons Team Reports Initial Success in Observing Ultima Thule

July 31, 2018
New Horizons Team Prepares for Stellar Occultation Ahead of Ultima Thule Flyby

July 20, 2018
The True Colors of Pluto and Charon

July 13, 2018
First Global Maps of Pluto and Charon from New Horizons Mission Published

June 22, 2018
Charon Discovered 40 Years Ago

June 5, 2018
New Horizons Wakes for Historic Kuiper Belt Flyby

April 11, 2018
Pluto's Largest Moon Gets Its First Official Feature Names

March 13, 2018
New Horizons Chooses Nickname for 'Ultimate' Flyby Target

February 8, 2018
New Horizons Captures Record-Breaking Images in the Kuiper Belt

January 4, 2018
Spend Next New Year's Eve with New Horizons

December 21, 2017
New Horizons Enters Last Hibernation Period Before Kuiper Belt Encounter

December 12, 2017
AGU Fall Meeting: New Horizons Explores the Kuiper Belt

December 12, 2017
Does New Horizons' Next Target Have a Moon?

December 9, 2017
New Horizons Corrects Its Course in the Kuiper Belt

November 30, 2017
NASA Extends Campaign to Nickname New Horizons' Next Target

November 6, 2017
Help Nickname New Horizons' Next Flyby Target

September 28, 2017
Solving the Mystery of Pluto’s Giant Blades of Ice

September 12, 2017
Hibernation Over, New Horizons Continues Its Kuiper Belt Cruise

September 7, 2017
Pluto Features Given First Official Names

September 6, 2017
New Horizons Files Flight Plan for 2019 Flyby

August 17, 2017
New Horizons Team Receives Prestigious SPIE George W. Goddard Award

August 3, 2017
New Horizons' Next Target Just Got a Lot More Interesting

July 19, 2017
New Horizons Team Strikes Gold in Argentina

July 14, 2017
New Horizons Video Soars over Pluto's Majestic Mountains and Icy Plains

July 14, 2017
New Horizons Unveils New Maps of Pluto, Charon on Flyby Anniversary

July 11, 2017
SOFIA in Right Place at Right Time to Study Next New Horizons Flyby Object

July 10, 2017
SOFIA to Make Advance Observations of Next New Horizons Flyby Object

July 6, 2017
New Mysteries Surround New Horizons' Next Flyby Target

June 23, 2017
NASA's New Horizons Mission Honors Memory of Engineer Lisa Hardaway

June 13, 2017
New Horizons Team Digs into New Data on Next Flyby Target

May 25, 2017
New Horizons Deploys Global Team for Rare Look at Next Flyby Target

April 10, 2017
Nap Time for New Horizons: NASA Spacecraft Enters Hibernation

April 3, 2017
New Horizons Halfway from Pluto to Next Flyby Target

March 8, 2017
New Co-Investigators Add Depth to New Horizons Team

February 23, 2017
New Horizons, IAU Set Pluto Naming Themes

February 10, 2017
New Horizons Exits Brief Safe Mode, Recovery Operations Continue

February 7, 2017
New Horizons Team Earns NASA, International Awards

February 1, 2017
New Horizons Refines Course for Next Flyby

January 20, 2017
A Colorful 'Landing' on Pluto

January 17, 2017
Facebook Live to Mark Success, Future of New Horizons

December 2, 2016
Scientists Probe Mystery of Pluto's Icy Heart

October 27, 2016
New Horizons Returns Last Bits of 2015 Flyby Data

October 19, 2016
New Horizons Team Receives Planetary Society Award

October 18, 2016
New Horizons: Possible Clouds on Pluto, Next Target Is Reddish

September 14, 2016
X-ray Detection Sheds New Light on Pluto

September 14, 2016
Pluto 'Paints' its Largest Moon Red

August 31, 2016
New Horizons Spies a Kuiper Belt Companion

August 31, 2016
Pluto's Methane Snowcaps on the Edge of Darkness

August 10, 2016
Blog: What a Journey!

July 20, 2016
New Horizons Pluto Stamp Earns Guinness World Record

July 14, 2016
Video: Imagine a Landing on Pluto

July 14, 2016
Looking Back, a Year after Pluto

June 13, 2016
Blog: Rewriting the Playbook on Pluto

June 9, 2016
The Jagged Shores of Pluto's Highlands

June 2, 2016
Secrets Revealed from Pluto's 'Twilight Zone'

June 1, 2016
Pluto's Heart: Like a Cosmic 'Lava Lamp'

June 1, 2016
New Pluto and Planetary Stamps Wow at World Stamp Show

May 27, 2016
New Horizons' Best Close-Up of Pluto's Surface

May 23, 2016
Blog: Behind the Lens at New Horizons' Pluto Flyby

May 20, 2016
Pluto's 'Fretted' Terrain

May 18, 2016
New Horizons Collects First Science on a Post-Pluto Object

May 18, 2016
First Stellar Occultations Shed Additional Light on Pluto's Atmosphere

May 10, 2016
Kudos Continue for New Horizons Mission Accomplishments

May 6, 2016
Icy Hydra

May 4, 2016
Study: Pluto's Interaction with the Solar Wind is Unique

May 3, 2016
Blog: Planning for Pluto with GeoVis

May 2, 2016
New Elevation Map of Pluto's Sunken 'Heart'

April 21, 2016
Pluto's 'Halo' Craters

April 11, 2016
The Icy 'Spider' on Pluto

April 11, 2016
New Horizons Fills Gap in Space Environment Observations

March 31, 2016
Pluto's Bladed Terrain in 3-D

March 24, 2016
Pluto: On Frozen Pond

March 21, 2016
New Horizons Team Presents Latest Pluto Science Results at Planetary Conference

March 21, 2016
New Horizons Team Earns Prestigious Space Science, Engineering Honors

March 17, 2016
Research Papers in Science Reveal New Aspects of Pluto and Its Moons

March 10, 2016
What's Eating at Pluto?

March 7, 2016
Blog: The Polygons of Pluto

March 4, 2016
Methane Snow on Pluto's Peaks

February 29, 2016
Blog: Where's My Data? Keeping Track of New Horizons' Treasure of Information

February 25, 2016
The Frozen Canyons of Pluto's North Pole

February 18, 2016
Pluto's 'Hulk-like' Moon Charon: A Possible Ancient Ocean?

February 12, 2016
Happy Valentine's Day from New Horizons!

February 11, 2016
Putting Pluto's Geology on the Map

February 4, 2016
Pluto's Mysterious, Floating Hills

February 4, 2016
Blog: Pluto Flyby, through the Eyes of an Early Career Scientist

January 29, 2016
Winters Named New Horizons Project Manager

January 29, 2016
Pluto's Widespread Water Ice

January 29, 2016
Pluto's Blue Atmosphere in the Infrared

January 19, 2016
The Voyage of a Lifetime: New Horizons Marks 10 Years Since Launch

January 14, 2016
Wright's Stuff

January 14, 2016
Pluto's Haze in Bands of Blue

January 7, 2016
'X' Marks a Curious Corner on Pluto's Icy Plains

January 7, 2016
Particles 'Go with the Flow' on Pluto's Surface

December 31, 2015
Looking Back at the "Year of Pluto"

December 18, 2015
Blog: Where Math Meets Pluto

December 17, 2015
New Findings from New Horizons Shape Understanding of Pluto and its Moons

December 10, 2015
Pluto's Close-up, Now in Color

December 10, 2015
Zooming in on Pluto's Pattern of Pits

December 4, 2015
A Distant Close-up: New Horizons' Camera Captures a Wandering KBO

December 4, 2015
New Horizons Returns the First of Its Very Best Images of Pluto

November 23, 2015
Blog: Pluto, Closer to Home

November 20, 2015
A Day on Pluto, a Day on Charon

November 13, 2015
Blog: Radio Signals from Earth Probe Pluto's Atmosphere

November 9, 2015
At Pluto, New Horizons Finds Geology of All Ages, Possible Ice Volcanoes, Insight into Planetary Origins

November 5, 2015
New Horizons Completes Record-Setting Kuiper Belt Targeting Maneuvers

November 2, 2015
Blog: In the Shadows of Pluto and Charon

October 29, 2015
The Youngest Crater on Charon?

October 29, 2015
On Track: New Horizons Carries Out Third KBO Targeting Maneuver

October 26, 2015
New Horizons Continues Toward Potential Kuiper Belt Target

October 26, 2015
New Horizons Team Bids Farewell to Bob Farquhar

October 23, 2015
Blog: A Planet for All Seasons

October 23, 2015
Maneuver Moves New Horizons toward Next Potential Target

October 22, 2015
Last of Pluto's Moons - Mysterious Kerberos - Revealed by New Horizons

October 20, 2015
NASA's 'Pluto Time' Connects People with Science

October 15, 2015
Science Paper Describes Pluto System Findings

October 13, 2015
Blog: The Impact of Craters

October 8, 2015
New Horizons Finds Blue Skies and Water Ice on Pluto

October 5, 2015
Blog: Pluto's Small Moons Nix and Hydra

October 1, 2015
Charon Reveals a Colorful and Violent History

September 28, 2015
Blog: Pluto at Twilight

September 24, 2015
Perplexing Pluto: New 'Snakeskin' Image and More from New Horizons

September 21, 2015
Blog: Art Meets Science in New Pluto Aerial Tour

September 17, 2015
Pluto 'Wows' in Spectacular New Backlit Panorama

September 10, 2015
New Pluto Images from New Horizons: It's Complicated

September 9, 2015
Blog: Probing the Mystery of Charon's Red Pole

September 4, 2015
New Horizons Begins Intensive Data Downlink Phase

August 28, 2015
New Horizons Team Identifies Potential Kuiper Belt Flyby Target

August 28, 2015
Blog: Making the Pluto Flyby Movie

August 12, 2015
Scientists Study Nitrogen Provision for Pluto's Atmosphere

August 10, 2015
Atmospheric Escape and Flowing N Ice Glaciers - What Resupplies Pluto's Nitrogen?

July 24, 2015
New Horizons Team Finds Haze, Flowing Ice on Pluto

July 23, 2015
Have a Minute? Get the Video Scoop on New Horizons and Pluto

July 21, 2015
New Horizons Finds Second Mountain Range in Pluto's 'Heart'

July 21, 2015
New Horizons 'Captures' Two of Pluto's Smaller Moons

July 17, 2015
NASA's New Horizons Discovers Frozen Plains in the Heart of Pluto's 'Heart'

July 17, 2015
Pluto Wags its Tail

July 17, 2015
New Horizons Reveals Pluto's Extended Atmosphere

July 16, 2015
NASA to Release New Pluto Images, Science Findings at July 17 NASA TV Briefing

July 15, 2015
From Mountains to Moons

July 14, 2015
NASA's New Horizons 'Phones Home' Safe after Pluto Flyby

July 14, 2015
Pluto and Charon Shine in False Color

July 14, 2015
NASA's Three-Billion-Mile Journey to Pluto Reaches Historic Encounter

July 14, 2015
New Horizons Spacecraft Displays Pluto's Big Heart

July 13, 2015
How Big Is Pluto? New Horizons Settles Decades-Long Debate

July 12, 2015
One Million Miles to Go; Pluto is More Intriguing than Ever

July 12, 2015
Charon's Chasms and Craters

July 12, 2015
The Women who Power NASA's New Horizons Mission to Pluto

July 11, 2015
New Horizons' Last Portrait of Pluto's Puzzling Spots

July 11, 2015
Pluto by Moonlight

July 10, 2015
Houston, We Have Geology

July 10, 2015
The Children of Pluto

July 9, 2015
Pluto and Charon: New Horizons' Dynamic Duo

July 8, 2015
A 'Heart' from Pluto as Flyby Begins

July 7, 2015
The Whale and the Donut

July 6, 2015
New Horizons on Track for Pluto Flyby

July 6, 2015
Latest Views of Pluto

July 5, 2015
New Horizons Plans July 7 Return to Normal Science Operations

July 4, 2015
New Horizons Team Responds to Spacecraft Anomaly

July 3, 2015
Pluto and Charon Surfaces in Living Color

July 3, 2015
The 'Other' Red Planet

July 1, 2015
Color Images Reveal Two Distinct Faces of Pluto, Series of Spots that Fascinate

July 1, 2015
NASA's New Horizons Spacecraft Stays the Course to Pluto

June 30, 2015
New Horizons 'Speeds Up' on Final Approach to Pluto

June 22, 2015
Increasing Variety on Pluto's Close Approach Hemisphere, and a 'Dark Pole' on Charon

June 22, 2015
Exactly 37 Years after Its Discovery, Pluto's Moon Charon Is Being Revealed

June 22, 2015
Pluto and Charon, Now in Color

June 15, 2015
One Month from Pluto: New Horizons on Track, All Clear, and Ready for Action

June 11, 2015
Different Faces of Pluto Emerging in New Images from New Horizons

June 4, 2015
Hubble Finds Pluto's Moons Tumbling in Absolute Chaos

May 28, 2015
So Far, All Clear: New Horizons Team Completes First Search for Pluto System Hazards

May 27, 2015
New Horizons Sees More Detail as It Draws Closer to Pluto

May 12, 2015
New Horizons Spots Pluto's Faintest Known Moons

May 1, 2015
A Schoolgirl Names Pluto, 85 Years Ago Today

April 29, 2015
New Horizons Detects Surface Features, Possible Polar Cap on Pluto

April 27, 2015
New Horizons' Student Instrument Turning Deep Space Dust to Data about Pluto's Environment

April 14, 2015
NASA's New Horizons Nears Historic Encounter with Pluto

April 10, 2015
NASA Hosts Briefings on Historic Mission to Pluto

April 6, 2015
Inside 100 Days to the Historic First Exploration of Pluto, New Horizons Set to Deliver

April 6, 2015
NASA Extends Campaign for Public to Name Features on Pluto

April 2, 2015
Google+ Hangout on Pluto Studies

March 27, 2015
New Horizons Sampling 'Space Weather' on Approach to Pluto

March 12, 2015
A Record Day for New Horizons

March 10, 2015
With Trajectory Correction, NASA's New Horizons Homes in on Pluto

February 18, 2015
85 Years after Pluto's Discovery, New Horizons Spots Small Moons Orbiting Pluto

February 12, 2015
The View from New Horizons: A Full Day on Pluto-Charon

February 4, 2015
Happy Birthday Clyde Tombaugh: New Horizons Returns New Images of Pluto

January 26, 2015
Google+ Hangout on Solar System Science Education, Jan. 28

January 15, 2015
New Horizons Begins First Stages of Pluto Encounter

December 17, 2014
On the Eve of Encounter: New Horizons at AGU

December 10, 2014
Catch New Horizons Team on Google+

December 6, 2014
On Pluto's Doorstep, NASA's New Horizons Spacecraft Awakens for Encounter

December 6, 2014
Planetary Society Webcast of New Horizons Wake-Up

November 13, 2014
New Horizons Set to Wake Up for Pluto Encounter

October 6, 2014
Today: Ask New Horizons Anything

September 12, 2014
Hello Hydra!

August 29, 2014
New Horizons Commanded into Last Pre-Pluto Slumber

August 25, 2014
New Horizons Crosses Neptune Orbit En Route to Historic Pluto Encounter

August 22, 2014
New Horizons Event on Aug. 25 Marks Neptune Orbit Crossing, Connections to Voyager

August 21, 2014
A Pluto Preview? Scientists Create New Triton Map

August 7, 2014
New Horizons Spies Charon Orbiting Pluto

July 15, 2014
New Horizons Marks a 'Year Out' with a Successful Course Correction

July 1, 2014
Hubble Proceeds with Full Search for Kuiper Belt Targets

June 17, 2014
Final 'Pre-Pluto' Annual Checkout Begins

June 16, 2014
NASA Hubble to Search Beyond Pluto for a New Horizons Mission Target

June 6, 2014
Assessing Pluto from Afar

April 2, 2014
Educator Workshop Set for April 26

February 6, 2014
New Horizons Reaches the Final 4 (au)

January 6, 2014
A Busy Year Begins for New Horizons

December 23, 2013
On Video: How Do We Get to Pluto? Practice, Practice, Practice

December 13, 2013
A Model Spacecraft

October 25, 2013
On the Path to Pluto, 5 AU and Closing

October 21, 2013
The Sounds of New Horizons

August 1, 2013
Pluto Science Conference Exceeds Expectations

July 10, 2013
Charon Revealed!

July 2, 2013
Kerberos and Styx: Welcome to the Pluto System!

June 14, 2013
New Horizons Team Sticking to Original Flight Plan at Pluto

February 28, 2013
Pluto Moons: The Votes Are In

February 14, 2013
Help Name Pluto's New Moons

January 10, 2013
New Horizons Gets a New Year's Workout

November 28, 2012
Halfway Between Uranus and Neptune, New Horizons Cruises On

November 27, 2012
New Horizons on Planetary Radio

October 16, 2012
At Pluto, Moons and Debris May Be Hazardous to New Horizons

August 15, 2012
Online: New Horizons PI Talks Pluto

August 1, 2012
All Aboard: Fly New Horizons through the Kuiper Belt!

July 11, 2012
Gimme Five!

July 9, 2012
New Horizons Doing Science in Its Sleep

June 1, 2012
It's a Sim: Out in Deep Space, New Horizons Successfully Practices the 2015 Pluto Encounter

March 7, 2012
New Horizons Stamp Drive Completes a 10K - and Keeps Going!

February 28, 2012
'A Vision of Discovery' Educator Workshop: March 10

February 10, 2012
New Horizons on Approach: 22 AU Down, Just 10 to Go

February 1, 2012
New Horizons Aims to Put Its Stamp on History

January 27, 2012
New Horizons Works through Winter Wakeup

January 16, 2012
New Horizons Team Remembers Patsy Tombaugh

December 20, 2011
Evidence of Complex Molecules Found on Pluto

December 2, 2011
New Horizons Becomes Closest Spacecraft to Approach Pluto

October 24, 2011
On the Path to Pluto: New Horizons App Now Available

August 12, 2011
Remembering New Horizons Co-Investigator Dr. David Charles Slater, August 12, 1957 - May 30, 2011

August 5, 2011
View from the Summit: Hunting for KBOs at the Top of the World

July 20, 2011
Fourth Moon Adds to Pluto's Appeal

June 23, 2011
New Horizons Scientists Tracking Pluto

June 23, 2011
New Horizons Educator Fellows Trained to Bring the Solar System to Your Community

June 21, 2011
Citizen Scientists: Discover a New Horizons Flyby Target!

April 20, 2011
Wanted: Kuiper Belt Targets

April 1, 2011
Forensic Sleuthing Ties Ring Ripples to Impacts

March 18, 2011
Later, Uranus: New Horizons Passes Another Planetary Milestone

January 20, 2011
Launch Plus Five Years: A Ways Traveled, a Ways to Go

October 28, 2010
Where Is the New Horizons Centaur Stage?

October 11, 2010
Student Dust Counter instrument breaks distance record

September 3, 2010
Picture-Perfect Pluto Practice

July 27, 2010
LORRI Looks Back at "Old Friend" Jupiter

July 14, 2010
Five Years and Counting Down

July 1, 2010
Course Correction Keeps New Horizons on Path to Pluto

June 17, 2010
Check it Out: System Tests, Science Observations and a Course Correction

May 11, 2010
Nix and Hydra: Five Years After Discovery

March 4, 2010
New Horizons Team Sees 'Opportunity' for Public Engagement

March 2, 2010
New Horizons, Pluto Featured on NOVA

February 25, 2010
The Approach Begins

February 18, 2010
80 Years of Pluto

February 4, 2010
New Hubble Maps of Pluto Show Surface Changes

February 3, 2010
Coming Soon: New Views of Pluto

January 19, 2010
Four Years and Counting

December 29, 2009
New Horizons Crosses a Threshold: Closer to Pluto than Earth

November 12, 2009
New Horizons Roused for Long-Distance Checkup

September 8, 2009
New Horizons Hits Halfway Mark Between Saturn, Uranus Orbits

August 28, 2009
New Horizons Checks Out, Enters Hibernation

July 8, 2009
Rise and Shine: New Horizons Wakes for Annual Checkout

May 8, 2009
New Horizons Team Remembers Venetia Phair, the 'Girl Who Named Pluto'

April 2, 2009
NASA Mission Madness: Send New Horizons to the Title Game!

March 12, 2009
New Horizons Detects Neptune's Moon Triton

January 19, 2009
Launch Plus Three Years: Looking Back, Looking Ahead

December 19, 2008
New Horizons Earns a Holiday

December 8, 2008
Building New Horizons - Again

November 7, 2008
SETI Radio Telescopes Track New Horizons

September 16, 2008
NASA Salutes New Horizons Team

September 12, 2008
'Brain Transplant' Successful as Checkout Continues

July 2, 2008
New Horizons Team Celebrates 30th Anniversary of Charon's Discovery

June 8, 2008
New Horizons Ventures Beyond Saturn's Orbit

May 29, 2008
Milestones Ahead: New Horizons Set to Cross Saturn's Orbit: Spacecraft Will Be First to Journey beyond Ringed Planet Since 1981

May 20, 2008
Storm Winds Blow in Jupiter's Little Red Spot

May 19, 2008
Tombaugh's Accomplishments: A True Work of Art

February 28, 2008
Memories of Jupiter

February 21, 2008
New Horizons Crosses 9 au

January 24, 2008
A Hi-Def Peek at Pluto

January 15, 2008
'Ice' Congratulates 'Fire' on a Successful Mercury Flyby

January 8, 2008
Podcast: The Hibernation Express

December 11, 2007
New Horizons Team Talks Jupiter at AGU Meeting

October 9, 2007
New Horizons Sees Changes in Jupiter System

September 29, 2007
Maneuver Puts New Horizons on a Straight Path to Pluto

September 5, 2007
New Horizons to Voyager: Happy 30th Anniversary!

August 13, 2007
Meet the New Horizons Pluto Pals!

July 12, 2007
Good Morning, New Horizons!

June 28, 2007
New Horizons Slips into Electronic Slumber

June 1, 2007
Full Set of Jupiter Close-Approach Data Reaches Home

May 17, 2007
Podcast: Jupiter Closest Approach

May 14, 2007
Featured Image: Tvashtar in Motion

May 1, 2007
New Horizons Provides New Views of Jupiter

April 25, 2007
NASA Science Update to Discuss Data from Jupiter Flyby

April 16, 2007
The Colors of Night

April 5, 2007
Capturing Callisto

April 2, 2007
Two Moons Meet over Jupiter

March 30, 2007
Storm Spectra

March 28, 2007
A Burst of Color

March 22, 2007
An Even Closer Look at the Little Red Spot

March 20, 2007
Alice Views Jupiter and Io

March 16, 2007
A Look from LEISA

March 13, 2007
A Midnight Plume

March 9, 2007
Jupiter's Rings

March 1, 2007
Tvashtar's Plume

February 28, 2007
Pluto-Bound New Horizons Spacecraft Gets a Boost from Jupiter

February 28, 2007
Two Moons and a Storm: Europa

February 28, 2007
Two Moons and a Storm: Ganymede

February 28, 2007
Two Moons and a Storm: Little Red Spot

February 27, 2007
An Eruption on Io

February 9, 2007
SWAP Observes Solar Wind Interactions at Jupiter

January 18, 2007
New Horizons Closes in on Jupiter

January 10, 2007
Jupiter Encounter Begins

November 28, 2006
New Horizons Makes First Pluto Sighting

November 22, 2006
A Season for Thanksgiving

September 26, 2006
Jupiter Ahoy!

September 1, 2006
LORRI Sees 'First Light'

August 17, 2006
New Horizons Salutes Voyager

August 16, 2006
Pluto-Charon: A True Double Planet

June 29, 2006
Student Dust Counter Renamed "Venetia," Honoring Girl Who Named Pluto

June 22, 2006
Pluto's Two Small Moons Christened Nix and Hydra

June 15, 2006
New Horizons Tracks an Asteroid

April 28, 2006
New Horizons in Space: The First 100 Days

April 7, 2006
New Horizons Crosses the Orbit of Mars

March 29, 2006
Payload Gets High Marks on Early Tests

March 10, 2006
A Colorful Discovery about Pluto's Moons

March 9, 2006
New Horizons Adjusts Course Toward Jupiter

February 22, 2006
Researchers Describe Discovery of Pluto's New Moons

February 3, 2006
Happy 100th Birthday, Clyde Tombaugh!

February 3, 2006
Clyde Tombaugh: A Daughter's Perspective

January 30, 2006
New Horizons Successfully Performs First Post-Launch Maneuvers

January 30, 2006
New Horizons Setting Course for Jupiter

January 19, 2006
NASA's Pluto Mission Launched Toward New Horizons

January 18, 2006
New Horizons Launch Reset for Jan. 19

January 12, 2006
Status Report from Kennedy Space Center

January 6, 2006
Status Report: Inspection Completed

December 19, 2005
NASA Sets Sights on First Pluto Mission

December 16, 2005
NASA Expendable Launch Vehicle Status Report

December 7, 2005
A Century After Kuiper's Birth, U.S. Prepares to Launch First Probe to the Kuiper Belt

December 7, 2005
Mission Update: Successful Tests

November 18, 2005
New Horizons Launch Preparations Move Ahead

October 31, 2005
Hubble Reveals Possible New Moons Around Pluto

October 31, 2005
My Life with Clyde

October 19, 2005
New Horizons Payload Ready for Flight, Exciting Science Campaign

September 26, 2005
APL-Built Pluto Spacecraft Begins Launch Preparations

June 13, 2005
Journey Begins for NASA's New Horizons Probe

May 24, 2005
'Motivated' Team Eyes Mission's Next Stage

March 31, 2005
NASA Hosts Community Meetings on New Horizons

June 8, 2004
SWAP to Determine Where the Sun and Ice Worlds Meet

March 16, 2004
Analyzing Pluto's Atmosphere with Alice

January 22, 2004
Ralph Aims to Put Pluto in Focus

July 23, 2003
Atlas V Chosen to Launch New Horizons

June 22, 2003
25th Anniversary of Charon's Discovery (from the U.S. Naval Observatory)

April 9, 2003
Pluto-Kuiper Belt Mission Moves Ahead (APL News Release)

April 9, 2003
NASA Moves New Horizons into Full Development (SRI News Release)

February 24, 2003
More Moons Over Pluto?

December 16, 2002
New Horizons Adds Student Science Instrument

November 4, 2002
New Horizons Passes Another Development Milestone

October 9, 2002
Science Operations Center Dedicated to Charon's Discoverer

September 25, 2002
New Horizons Team Tuning Its Instruments

September 23, 2002
Student-Led Team Hopes to Fly Equipment Aboard NASA's Pluto Mission

September 10, 2002
SwRI Research Reveals New Kuiper Belt Mystery

May 28, 2002
Status Report: New Horizons Shines in First Major Review

April 15, 2002
New Horizons Mission Making Progress

February 21, 2002
New Horizons Team Plots a Faster Path to Pluto

February 6, 2002
New Horizons names Science Ops Center after Pluto Discoverer Clyde Tombaugh

December 7, 2001
NASA Goddard to Provide Key New Horizons Instrument

November 30, 2001
NASA Taps APL Team for First Pluto-Kuiper Belt Mission (APL News Release)

November 30, 2001
SwRI-APL Team to Develop First Pluto Mission (SRI News Release)

November 29, 2001
NASA Selects Pluto-Kuiper Belt Mission for Phase B Study

September 27, 2001
Scientists and Engineers Complete NASA-Funded 'Phase A' Study of Pluto-Kuiper Belt Mission

July 23, 2001
Aviation Week and Space Technology (PDF)

June 8, 2001
NASA Selects APL's Pluto Mission Proposal for Further Study

July 6, 2001
NASA Selects Two Investigations for Pluto-Kuiper Belt Mission Feasibility Studies

The PI's Perspective

April 4, 2024

The PI's Perspective: Needles in the Cosmic Haystack

The spacecraft continues to collect round-the-clock data on our Sun’s cocoon in the galaxy, called the heliosphere, and transmit that data, as well as the final data from our flyby of Kuiper Belt object (KBO) Arrokoth, back to Earth.


December 19, 2023
The PI's Perspective: The Long Game

August 24, 2023
The PI's Perspective: In the Service of Planetary Science, Astrophysics and Heliophysics

November 29, 2022
The PI’s Perspective: Extended Mission 2 Begins!

August 23, 2022
The PI's Perspective: Extending Exploration and Making Distant Discoveries

December 17, 2021
The PI’s Perspective: Looking Back, Looking Forward

October 27, 2021
Using "Charon-light," Researchers Capture Pluto's Dark Side

October 13, 2021
The PI's Perspective: Keeping Our Eyes on New Horizons

March 23, 2021
The PI's Perspective: Far From Home

January 19, 2021
On the 15th Anniversary of New Horizons Leaving Earth, a Thank You

November 4, 2020
The PI's Perspective: New Plans Afoot

July 14, 2020
The PI's Perspective: July 2015 - When the Solar System Saved the Best for Last

April 15, 2020
The PI's Perspective: Probing Farther in the Kuiper Belt

December 6, 2019
The PI's Perspective: What a Year, What a Decade!

October 22, 2019
The PI's Perspective: Looking Back and Exploring Farther

May 23, 2019
The PI's Perspective: We Made the Cover of the 'Rolling Stone' (for Nerds)!

January 17, 2019
The PI's Perspective: We Did It — The Bullseye Flyby of Ultima Thule!

December 27, 2018
Anticipation on Ultima's Doorstep!

December 14, 2018
Exploring Ultima–How to Get Involved!

November 27, 2018
Share the News: The Farthest Exploration of Worlds in History is Beginning!

September 5, 2018
Tally Ho Ultima!

February 28, 2018
Why Didn't Voyager Explore the Kuiper Belt?

December 6, 2017
Wrapping up 2017 En Route to Our Next Flyby

August 8, 2017
The Heroes of the DSN and the 'Summer of MU69'

April 28, 2017
No Sleeping Back on Earth!

December 22, 2016
Clouds in My Coffee: Exploring Pluto and the Wild Back Yonder!

July 7, 2016
Exploration Ahead!

April 14, 2016
To Boldly Go On, In the Service of Exploration

December 30, 2015
Our 'Annus Mirabilis'

July 29, 2015
Thank You!

June 25, 2015
Build the Buzz!

April 13, 2015
Capstone: 2015

February 26, 2015
Pluto Science, on the Surface

January 23, 2015
Something Special in the Air

December 31, 2014
It's Pluto Eve!

December 1, 2014
Waking Up on Pluto's Doorstep

October 23, 2014
KBO Hunting: How Hubble Rescued New Horizons

September 18, 2014
One Last Slumber

June 23, 2014
What If Voyager Had Explored Pluto?

June 11, 2014
Childhood's End

February 6, 2014
Thanks America, New Horizons Ahead

July 23, 2013
Late in Cruise, and a Binary Ahoy

July 5, 2013
Celebrating 35 Years of Charon

May 16, 2013
Encounter Planning Accelerates

January 18, 2013
The Seven-Year Itch

August 24, 2012
The Kuiper Belt at 20

May 9, 2012
Extending Our Horizons

January 19, 2012
Late Cruise!

November 7, 2011
Is the Pluto System Dangerous?

August 16, 2011
Visiting Four Moons, in Just Four Years, for All Mankind

April 13, 2011
Pinch Me!

December 17, 2010
Ten Years On

November 9, 2010
A Toast to New Horizons

October 18, 2010
Reaching the Mid-Mission Milestone on the Way to Pluto!

May 21, 2010
Ever Farther Across the Ocean of Space to a Distant and Unknown Shore

December 2, 2009
Farewell 2009

September 2, 2009
Science Never Sleeps

July 14, 2009
A Summer's Work, Far From Home

May 20, 2009
Ever Plan Ahead? How About Six Years Ahead?

March 19, 2009
One-Third Down

January 5, 2009
Welcome to Mid-Cruise!

October 23, 2008
Nine Mementos Headed to the Ninth Planet

October 6, 2008
1,000 Days on the Road to Pluto - Time Flies and So Does New Horizons!

July 29, 2008
Journeying Beyond Saturn

May 1, 2008
Green Beacons for a Golden Bird

January 17, 2008
Happy Birthday New Horizons! Two Years on the Road to the Ninth Planet

November 20, 2007
Autumn 2007 - Onward to the Kuiper Belt

November 7, 2007
The Guest Perspective - Data for the Next Generations

October 1, 2007
Checking Out New Horizons

August 1, 2007
Outbound at 7 au

June 20, 2007
Nap Before You Sleep

May 10, 2007
Continuing Our Jovian Journey

March 26, 2007
Trip Report

March 12, 2007
Downlink Initiated

March 5, 2007
The Tip of the Iceberg

March 1, 2007
Launch Complete

February 26, 2007
Picking up the Pace

February 22, 2007
Campaigning for Jupiter

February 21, 2007
Speeding to Zeus

February 15, 2007
Calm Before Close Approach

January 23, 2007
One Year Down, Eight to Go, on the Road to Pluto

January 5, 2007
New Horizons in 2007

November 1, 2006
Making Old Horizons New

September 21, 2006
Changing Seasons on the Road Trip to Planet 9

September 6, 2006
Unabashedly Onward to the Ninth Planet

July 14, 2006
Nine Years to the Ninth Planet, and Counting

June 1, 2006
A Summer's Crossing Through the Asteroid Belt

May 1, 2006
'Exploration at Its Greatest'

March 20, 2006
Zero G and I Feel Fine

February 27, 2006
Boulder and Baltimore

February 9, 2006
Tom's Cruise

January 31, 2006
Our Aim Is True

January 24, 2006
On the Road at Last

January 20, 2006
It Worked!

January 18, 2006
First Things First

January 14, 2006
We're in Flight Configuration

January 11, 2006
It Takes A Team

January 9, 2006
Free Bird

December 27, 2005
Getting Closer

December 19, 2005
New Horizons Meets Its Launch Vehicle

December 12, 2005
Next Month, We Aim to Fly!

November 7, 2005
Two More Moons, Two More Months, and Ten More Watts

October 1, 2005
Changes in Latitude

September 5, 2005
September Comes, Complete With Sister Worlds

August 1, 2005
A Road Trip, from Earth to Pluto

June 29, 2005
Pluto-Charon- Two for the Price of One

May 6, 2005
New Horizons Indeed

April 5, 2005
The PI's Perspective

March 2, 2005
An Inside Look at New Horizons

February 2, 2005
An Inside Look at New Horizons from Principal Investigator Alan Stern

Spotlight Presentations

Upcoming Events

June 27, 2024 @ 2:30PM EST

New Horizons Venetia Burney Student Dust Counter Observes Higher than Expected Fluxes Approaching 60 AU

Speaker: Alex Doner, University of Colorado

July 25, 2024 @ 2:30PM EST

Photometric Parameters for KBOs Derived from LORRI Photometry

Speaker: Anne Verbiscer, University of Virginia

Past Events

May 23, 2024

New Synoptic Observations of the Cosmic Optical Background with New Horizons

Speaker: Marc Postman, Space Telescope Science Institute

View Presentation »

November 30, -0001

NH Science Spotlight Postman_COB


View Presentation »

Discovery Stories

These short descriptions and visuals cover results from all phases and focus areas of the New Horizons mission, including planetary science, heliophysics and astrophysics.

May 20, 2024

Detecting Dusty Hints of an Extended Kuiper Belt

New Horizons observations hint that the Kuiper Belt might stretch much farther out than originally thought.

Read more »


May 20, 2024

Detecting Dusty Hints of an Extended Kuiper Belt

New Horizons observations hint that the Kuiper Belt might stretch much farther out than originally thought.

Read more »

May 2, 2023

Arrokoth's Enigmatic Red Color

New Horizons found that the surface of Kuiper Belt object Arrokoth is uniformly coated by red-colored methanol ice. Since methanol ice usually is white, the origin of this red color was a mystery.

Read more »

June 8, 2022

Pluto's Giant Ice Volcanoes

The large ice volcanoes New Horizons discovered on Pluto are unique in the solar system, geologically young and enigmatic.

Read more »

May 2, 2022

Space Is Brighter Than You Might Think!

New Horizons recently obtained the best-ever measurement of the light coming from the distant universe - and the level is double that accounted for by all galaxies.

Read more »

April 5, 2022

New Horizons Discovers 'Tight Twins' in the Kuiper Belt

New Horizons found two pairs of Kuiper Belt object binaries - small bodies that orbit each other so closely that these "tight twins" cannot be seen as separate objects from any observatory on Earth or

Read more »

March 28, 2022

The Remarkably Low Density of Kuiper Belt Object Arrokoth

Arrokoth may be a highly porous object with a bulk density similar to that of settled snow.

Read more »

February 2, 2022

Ultraviolet Signals from the Milky Way

New Horizons is now far enough from the Sun to measure the dim Lyman alpha light from the Milky Way galaxy.

Read more »

December 2, 2021

The Dark Side of Pluto

Shortly after flying past Pluto on July 14, 2015, NASA's New Horizons spacecraft imaged Pluto's night side to view terrain faintly lit by reflected sunlight from Pluto's large moon, Charon.

Read more »

July 12, 2021

Pluto's Nitrogen Ice over Time

New Horizons scientists have modeled how nitrogen ice is distributed across Pluto's surface - and how that will change.

Read more »

May 3, 2021

Arrokoth's Lobes Have a Similar Origin Story

The albedo of Arrokoth's two lobes provides an important clue to the object's origin, indicating that the parts formed at the same time or evolved together.

Read more »

April 5, 2021

Compositional Variations Across Sputnik Planitia

New Horizons obtained infrared spectra of Sputnik Planita -- the left half of Pluto's "heart" -- providing insight into the processes that have shaped the Texas-sized impact basin.

Read more »

October 29, 2020

One Organic Compound Creates Pluto's Many Surface Colors

New models show that the range of colors on Pluto's surface can be reproduced by altering the abundance and particle size of a single coloring agent called tholin.

Read more »

August 24, 2020

Cryovolcanic Flooding in Pluto's Viking Terra

Read more »

June 25, 2020

Arrokoth's Features Support a Low Speed Binary Merger Origin

New Horizons' cameras revealed the Kuiper Belt object Arrokoth's remarkable shape, with unequal-sized lobes joined by a narrow neck.

Read more »

June 25, 2020

Color and Surface Composition of Arrokoth

On New Year's Day 2019, the New Horizons spacecraft flew close by the Kuiper Belt object (KBO) Arrokoth, revealing its color and surface composition.

Read more »

June 25, 2020

Arrokoth: A Key Clue to Planet Formation

Read more »

June 9, 2020

Record-Smashing Parallax and First Interstellar Navigation

Read more »

July 11, 2019

Prebiotic Chemistry of Pluto

Read more »

February 11, 2019

Where Have the Small Kuiper Belt Objects Gone

Analysis of the crater size frequency distributions on Pluto’s moon Charon has produced a surprising result.

Read more »

December 18, 2018

Global Maps of Pluto's Surface and Topography

During its flyby of Pluto in July 2015, cameras on NASA's New Horizons spacecraft captured thousands of images, which have been painstakingly analyzed to create a color coded topographical map.

Read more »

December 18, 2018

Global Maps of Charon's Surface and Topography

During its flyby of Pluto in July 2015, cameras on NASA's New Horizons spacecraft captured thousands of images, which have been painstakingly analyzed to create a color coded topographical map.

Read more »

December 14, 2018

Pluto's Washboard and Fluted Terrains

Read more »

December 14, 2018

Pluto's Amazing Color Diversity

Read more »

September 11, 2018

The New Horizons Extended Mission and Predictions for the Encounter with Arrokoth

Read more »

February 1, 2018

Pluto's Massive Ice Blades

Read more »

September 20, 2017

Portable Telescopes Reveal the Silhouette of Next New Horizons Flyby Target

Read more »

Science Perspective

August 8, 2023

The Science Perspective: Looking for Light with New Horizons

New Horizons Science Team member Tod Lauer offers a look at mission plans to explore the cosmic background from the New Horizons spacecraft’s unique position in the distant solar system.

Science Shorts

Observations, predictions and anticipations written by the New Horizons science team during the approach to Pluto.

July 8, 2015

A Space Physicist's View of Pluto

Why would a space physicist study Pluto? PEPSSI instrument scientist Matt Hill can't wait to get a look at the energetic particle environment New Horizons expects to encounter.

Media Contacts

Media Contacts Head Silouttes

Michael Buckley

Johns Hopkins University Applied Physics Laboratory


Erin Morton

NASA Headquarters, Washington


Joanna Quintanilla

Southwest Research Institute


Maria Stothoff

Southwest Research Institute


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