The Kuiper Belt is a distant, icy region of our solar system filled with secrets, dwarf planets, and cosmic surprises. Dash cam video shows UPS plane with missing engine before crash Democratic Rep.

Those of you following NASA's New Horizons know the interplanetary space probe made the farthest-ever flyby in human history on New Year's Day, when it circled Ultima Thule, an object in Kuiper Belt.

A vast region of our solar system, called the Kuiper belt, stretches from the orbit of Neptune out to 50 or so astronomical ...

We've been fairly lucky here on Earth in that the past 65 million years have gone by and a giant asteroid hasn't managed to collide with our blue-green home. As anyone who's seen Deep Impact or ...

While astronomers are still hunting for a huge new planet somewhere beyond Neptune, smaller objects have been turning up with surprising regularity lately. Now, a team at the National Astronomical ...

What's next? Launched in 2006 as a part of NASA's New Frontiers program, the New Horizon probe completed its primary mission with flying colors. After performing a flyby study of Pluto in 2015, New ...

A small fraction of Kuiper-belt objects are known to be accompanied by large moons. These double worlds may have formed in the earliest days of the Solar System through comparatively gentle ...

NASA's nickname for the distant Kuiper Belt object 2014 MU69, Ultima Thule, has been more than a little contentious. While it has innocuous meanings, Ultima Thule is also the term white supremacists ...