In the outer reaches of the Solar System, beyond the ice giant Neptune, lies a ring of comets and dwarf planets known as the Kuiper Belt. The closest of these objects are billions of kilometers away.

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. A brand-new group of frozen ...

A rare observation opportunity revealed the presence of a thin atmosphere around a small object beyond Pluto.

Neptune's strangest moon Nereid may not be a captured object after all, but a survivor from the planet's original moon system ...

A new study from BYU professor of physics and astronomy Darin Ragozzine and former undergraduate student Maia Nelsen provides new insight into the structure of objects in the Kuiper Belt. Using data ...

486958 Arrokoth in the Kuiper Belt, previously called 2014 MU69 and nicknamed "Ultima Thule" was the farthest object in the solar system visited by a spacecraft when NASA's New Horizons conducted a ...

A new study led by Southwest Research Institute (SwRI) Planetary Scientist and Associate Vice President Dr. Alan Stern posits that the large, approximately 5-kilometer-long mounds that dominate the ...

You are probably pretty familiar with the name Subaru because of the cars it makes. But as with any Japanese word, there's more to it than meets the eye: it’s used to depict more than just the ...

Neptune's moon Nereid may be the sole survivor of an ancient set of moons, according to new findings from NASA's James Webb ...

NASA’s Hubble Space Telescope has discovered the smallest object ever seen in visible light in the Kuiper Belt, a vast ring of icy debris that is encircling the outer rim of the solar system just ...