New Horizons Approaching Historic Flyby of Ultima Thule, 4 Billion Miles Away

Artist’s conception of New Horizons at Ultima Thule. Image Credit: NASA/JHUAPL/SwRI Illustration/Steve Gribben

Excitement is building again for New Horizons team members and the public alike, as the spacecraft which previously visited Pluto is now only 21 days away from its next historic flyby, some 4 billion miles from Earth and one billion miles beyond […]

Record-Breaking Images from New Horizons are Farthest Ever Taken From Earth

False-color image of KBO 2012 HE85, taken by New Horizons on Dec. 5, 2017. Photo Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute

NASA’s New Horizons spacecraft is way, way past Pluto now and still nearly a year away from its next encounter with an object in the Kuiper Belt, but that doesn’t […]

Pluto and Beyond: New Horizons' Next Kuiper Belt Rendezvous Only One Year Away

Artist’s conception of 2014 MU69. New Horizons will reach this next target on Jan. 1, 2019. Image Credit: NASA/JHUAPL/SwRI/Alex Parker

Happy New Year! As well as simply the start of a new year, today also marks another significant date – exactly one year from now, the New Horizons spacecraft will encounter its next target […]

As New Horizons Speeds Toward Next Target, New Data Suggests 2014 MU69 May Have a Moon

Artist’s conception of 2014 MU69 as a binary object with a moon, during flyby of New Horizons in 2019. MU69 is the next target of New Horizons in January 2019. Image Credit: NASA/JHUAPL/SwRI

It has been nearly two-and-a-half years now since New Horizons sped past Pluto and its moons in July 2015, and now […]

New Horizons Team Successfully Observes Transit of Next KBO Target, and Clouds on Pluto!

Four members of the South African observation team, who helped to track the occultation of a star by the KBO called 2014 MU69, the next target for the New Horizons spacecraft. Photo Credit: NASA/JHUAPL/SwRI/Henry Throop

With the Pluto flyby now well behind them, the New Horizons team has been busy preparing for the next […]

New Moon Discovered by Hubble Orbiting Third Largest Dwarf Planet in Kuiper Belt

Two images of dwarf planet 2007 OR10 from Hubble, taken a year apart, showing the small moon. Image Credit: NASA/ESA/C. Kiss (Konkoly Observatory)/J. Stansberry (STScI)

Moons are exceedingly common in the Solar System – Jupiter alone has 67! But smaller planets do as well of course, except for Mercury and Venus, and even some […]

New Horizons Reaches Halfway Point Between Pluto and Next KBO Target

New Horizons is now halfway from Pluto to its next destination – the KBO known as 2014 MU69, which it will reach on Jan. 1, 2019 (artist’s conception). Image Credit: NASA/JHUAPL/SwRI

It may not seem like it, but it is approaching two years now since New Horizons made its historic flyby of Pluto and […]

New Horizons Completes Another Course Adjustment in Preparation for 2019 Flyby of Next KBO

Artist’s conception of New Horizons approaching 2014 MU69 in 2019. Image Credit: NASA/JHUAPL/SWRI/Steve Gribben

Long after its incredible encounter with Pluto and its moons in 2015, the New Horizons spacecraft is continuing its journey deeper into the Kuiper Belt in the outer reaches of the Solar System. Mission scientists and engineers are now preparing […]

Ancient Water World: Tectonics on Pluto's Moon Charon Point to Frozen Subsurface Ocean

Charon (upper left) and Pluto as seen by New Horizons on July 14, 2015. Photo Credit: NASA/JHUAPL/SwRI

Charon is Pluto’s largest moon and, despite being so cold and remote from the Sun, has been revealed to be a fascinating and active world, just like Pluto itself. Residing in the far outskirts of the Solar […]

'Cracked and Tipped Over' Pluto Has a Subsurface Ocean: New Evidence From New Horizons

View of Sputnik Planitia on Pluto. This vast region of nitrogen ice provides clues that a subsurface ocean of liquid water exists on Pluto. Photo Credit: NASA/JHUAPL/SwRI

Pluto, a tiny frigid world in the distant outskirts of the Solar System, has been full of surprises, as first revealed by the New Horizons spacecraft back […]