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This composite image of the primordial contact binary Kuiper Belt Object 2014 MU69 (nicknamed Ultima Thule) – featured on the cover of the May 17 issue of the journal Science – was compiled from data obtained by NASA's New Horizons spacecraft as it flew by the object on Jan. 1, 2019. The image combines enhanced color data (close to what the human eye would see) with detailed high-resolution panchromatic pictures. Credits: NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute/Roman Tkachenko
NASA’s New Horizons Team Publishes First Kuiper Belt Flyby Science Results

May 17, 2019

Most distant object ever explored presents mysteries of its formation. NASA’s New Horizons mission team has published the…
Cometary surprise found inside meteorite

April 16, 2019

An ancient sliver of the building blocks from which comets formed was discovered encased inside a meteorite like…
A Region of Bennu’s Northern Hemisphere Close Up

March 17, 2019

This trio of images acquired by NASA’s OSIRIS-REx spacecraft shows a wide shot and two close-ups of a…
New Horizons Spacecraft Returns Its Sharpest Views of Ultima Thule

February 23, 2019

The mission team called it a “stretch goal” – just before closest approach, precisely pointing the cameras on…
Tiny Neptune Moon Spotted by Hubble May Have Broken from Larger Moon

February 21, 2019

Astronomers call it “the moon that shouldn’t be there.” After several years of analysis, a team of planetary…
Artist's rendering of Ultima Thule. Image credit: NASA / JHUAPL/ SWRI / Steve Gribben
New Horizons’ Evocative Farewell Glance at Ultima Thule

February 9, 2019

An evocative new image sequence from NASA’s New Horizons spacecraft offers a departing view of the Kuiper Belt…
Tiny Object Found at the Edge of the Solar System for the First Time. A Kuiper Belt Object that is Only 2.6 km Across

January 30, 2019

The Kuiper Belt, or the Edgeworth-Kuiper Belt, is home to ancient rocks. Kuiper Belt Objects, or KBOs, are…
A Disc of Icy Material, not Planet 9, Might Explain the Strange Movements in the Outer Solar System

January 24, 2019

Is there or isn’t there a Planet 9? Is there a planet way out on the outskirts of…
Carrying Buckeye technology, New Horizons probe zeroes in on mysterious Ultima Thule

January 9, 2019

With Buckeye engineering technology on board, the 12-year-old New Horizons mission to Pluto and the solar system’s icy Kuiper Belt made…
New extremely distant Solar System object found during hunt for Planet X

October 3, 2018

Carnegie’s Scott Sheppard and his colleagues—Northern Arizona University’s Chad Trujillo, and the University of Hawaii’s David Tholen—are once…
Ultima in View: NASA’s New Horizons Makes First Detection of Kuiper Belt Flyby Target

August 29, 2018

NASA’s New Horizons spacecraft has made its first detection of its next flyby target, the Kuiper Belt object…
New Horizons Team Prepares for Stellar Occultation Ahead of Ultima Thule Flyby

August 1, 2018

Successfully observing an object from more than four billion miles away is difficult, yet NASA’s New Horizons mission…
Pluto is What You Get When a Billion Comets Smash Together

May 29, 2018

Pluto has been the focus of a lot of attention for more than a decade now. This began…
Exiled Asteroid Discovered in Outer Reaches of Solar System

May 14, 2018

ESO telescopes find first confirmed carbon-rich asteroid in Kuiper Belt The early days of our Solar System were…
New Horizons Captures Record-Breaking Images in the Kuiper Belt

February 9, 2018

NASA’s New Horizons spacecraft recently turned its telescopic camera toward a field of stars, snapped an image –…
Spend Next New Year’s Eve with New Horizons

January 5, 2018

The New Year’s celebration to usher in 2019 will include an event like no other – more than…
Does New Horizons’ Next Target Have a Moon?

December 13, 2017

Scientists were already excited to learn this summer that New Horizons’ next flyby target – a Kuiper Belt…
An Orbital Dance May Help Preserve Oceans on Icy Worlds

December 1, 2017

Heat generated by the gravitational pull of moons formed from massive collisions could extend the lifetimes of liquid…
Help Nickname New Horizons’ Next Flyby Target

November 7, 2017

NASA’s New Horizons mission to Pluto and the Kuiper Belt is looking for your ideas on what to…
New Horizons Files Flight Plan for 2019 Flyby

September 7, 2017

NASA’s New Horizons mission has set the distance for its New Year’s Day 2019 flyby of Kuiper Belt…
New Horizons’ Next Target Just Got a Lot More Interesting

August 6, 2017

Could the next flyby target for NASA’s New Horizons spacecraft actually be two targets? New Horizons scientists look to answer…
The other total eclipse

July 26, 2017

A wonderful thing happened between the first dreams of a mission to Pluto and the launch of New…
NASA’s New Horizons Team Strikes Gold in Argentina

July 20, 2017

A primitive solar system object that’s more than four billion miles (6.5 billion kilometers) away passed in front…
SOFIA to Make Advance Observations of Next New Horizons Flyby Object

July 11, 2017

On July 10, researchers using NASA’s Stratospheric Observatory for Infrared Astronomy, or SOFIA, will attempt to study the…
New Mysteries Surround New Horizons’ Next Flyby Target

July 6, 2017

NASA’s New Horizons spacecraft doesn’t zoom past its next science target until New Year’s Day 2019, but the…
UA Scientists and the Curious Case of the Warped Kuiper Belt

June 26, 2017

An unknown, unseen “planetary mass object” may lurk in the outer reaches of our solar system, according to…
New Horizons Team Digs into New Data on Next Flyby Target

June 14, 2017

It was the most technically-challenging and complex stellar occultation observation campaign ever attempted: At least 54 observing teams…
New Horizons Deploys Global Team for Rare Look at Next Flyby Target

May 26, 2017

On New Year’s Day 2019, more than 4 billion miles from home, NASA’s New Horizons spacecraft will race…
Hubble Spots Moon Around Third Largest Dwarf Planet

May 19, 2017

The combined power of three space observatories, including NASA’s Hubble Space Telescope, has helped astronomers uncover a moon orbiting…
New Horizons Halfway from Pluto to Next Flyby Target

April 4, 2017

How time and our spacecraft fly – especially when you’re making history at 32,000 miles (51,500 kilometers) per…
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