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 ...

CAPE CANAVERAL, Fla. – The spacecraft that gave us the first close-up views of Pluto now has a much smaller object in its sights. NASA’s New Horizons fired its thrusters Thursday afternoon, putting it ...

Good news, space exploration fans. With the Juno spacecraft about to arrive at Jupiter today, NASA has also confirmed that the New Horizons mission has been granted an extension. The rest of this ...

Only hours from completing a historic flyby of Kuiper Belt object 2014 MU69, nicknamed Ultima Thule, NASA’s New Horizons spacecraft is on course and ready to gather scientific data on the small object ...

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 ...

HOUSTON -- In recent months, NASA has explored the smallest object ever orbited and the most distant body ever encountered -- and found that both worlds are weirder than anyone could have imagined.

In preparation for the Jan 1/2019 encounter between the New Horizons spacecraft and the Kuiper Belt object 2014 MU69, we provide estimates of the expected impact crater surface density on the Kuiper ...

After the New Horizons spacecraft made its historic flyby of Pluto in July 2015, the plan was always to send it further out of the Solar System to study other objects. Now, the spacecraft has returned ...

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.