The New Horizons team announced yesterday that MU69’s official name would be “Arrokoth.” Folks, that’s a good name. You may know this rock as the oddly shaped object in the distant Kuiper ...

The small body visited by NASA's New Horizons spacecraft on Jan. 1 is now officially known as Arrokoth. Hopefully you weren't too attached to "2014 MU69," because the most distant object ever ...

The most distant object ever explored, since named Arrokoth, was a “planetesimal” lurking quietly in the outer solar system a billion miles past Pluto. The spacecraft beamed back images of ...

A composite image based on data from NASA’s New Horizons spacecraft shows the icy Kuiper Belt object formerly known as 2014 MU69 or Ultima Thule, and now called Arrokoth. (NASA / SwRI / JHUAPL ...

A computer-generated reconstruction of Arrokoth’s shape makes it look like a squashed snowman, but slightly less squashed than originally thought. (NASA / JHUAPL / SwRI Image / Roman Tkachenko ...

After its famous Pluto flyby, it traveled even farther to meet an object called Arrokoth. This mysterious Kuiper Belt object, discovered only after the probe was launched, revealed surprises that ...

A new study from researchers at the Southwest Research Institute has unearthed a fascinating discovery about Arrokoth, a trans-Neptunian object made famous by the New Horizons probe on New Year ...

The trans-Neptunian object Arrokoth, also known as Ultima Thule, which NASA's space probe New Horizons passed on New Year's Day 2019, may have changed its shape significantly in the first 100 ...

The Kuiper Belt object named "486958 Arrokoth," or simply "Arrokoth," may have more in common with a snowman than just its shape. New research suggests there's ancient ice locked within its frosty ...

Freelance writer Amanda C. Kooser covers gadgets and tech news with a twist for CNET. When not wallowing in weird gear and iPad apps for cats, she can be found tinkering with her 1956 DeSoto.

The surface of Arrokoth, an oddly flat object on the edge of the solar system, may have been boiled away by heat from the sun. This body, more than 6 billion kilometres from the sun in the Kuiper ...