New Horizons took a look at a small Kuiper Belt Object (KBO) known as 2014 MU69 early this year. Now, NASA has announced that object has a new name. It's "Arrokoth," a Native American term that means ...

The legendary New Horizons spacecraft has sent back the most detailed image yet of MU69 — the most distant object a human spacecraft has ever explored. At some four billion miles from Earth, and one ...

The next target for NASA’s New Horizons mission — which made a historic flight past Pluto in July 2015 — apparently bears a colorful resemblance to its famous, main destination. Hubble Space Telescope ...

LAUREL, Md. — As NASA’s New Horizons spacecraft zips past a small, distant icy world early on New Year’s Day, at 12:33 a.m. Eastern time, there will still be a nagging question for people working on ...

In late 2018, New Horizons will encounter a Kuiper Belt object known as MU69. It turns out this object could be two or even three distinct bodies. Share on Facebook (opens in a new window) Share on X ...

NASA's New Horizons probe is set for a historic event in the outermost reaches of the solar system on New Year's Day. It will attempt a 'fly-by' (gravity assist) of the Kuiper Belt object '2014 MU69,' ...

The New Horizons team will have to wait 20 months for all of the spacecraft’s data and images to return to Earth, but here is what they’ve learned so far. What We've Learned About Ultima Thule From ...

NASA’s New Horizons spacecraft still has 100 million miles to go, but it has taken its first snapshot of the space rock that will be its date for New Year’s Day 2019. NASA’s New Horizons spacecraft ...

The rugged high rim of Pluto’s Sputnik Planitia basin and the nitrogen-methane ice sheet that partially fills its floor. Image: Lunar and Planetary Institute/Paul Schenk/NASA/New Horizons After New ...

NASA’s New Horizons is doing some sightseeing along the way, as the spacecraft speeds toward a New Year’s Day 2019 date with an ancient object in the distant region beyond Pluto known as 2014 MU69.