The Kuiper Belt is a band on the outer edge of the Solar System made up of space’s odds and ends: comets, dwarf planets, and ...

A newly identified Kuiper Belt trio, possibly only the second of its kind, could provide strong evidence that these distant ...

Scientists have discovered a potential three-body system in the Kuiper Belt, the Altjira system, challenging planet-formation theories.

Early in our Solar System’s history, bits of icy debris were scattered and then gradually coaxed into a spiral alignment in ...

New research suggests that a binary pair of Kuiper Belt objects, known as the Altjira system, is actually made up of three ...

Astronomers have discovered what they believed to be a rare stable trio of gravitationally bound Kuiper Belt objects, ...

Astronomers have uncovered the largest and most distant water reservoir ever detected in the universe. This staggering ...

It's a new type of three-body problem for astronomers, who used the Hubble Space Telescope to determine that twin asteroids in the Kuiper Belt could ... "death knell" of a planet ripped apart ...

Pluto in the Kuiper Belt. Image by NASA. image via Depositphotos ... Image by Javier Miranda via Unsplash. With billions of planets in the habitable zones of galaxies, the Fermi Paradox questions why ...

Planetesimals are the building blocks of the planets in our solar system. On the first day of 2019, NASA’s spacecraft flew past the ancient Kuiper Belt object called Arrokoth, giving the world its ...

Astronomers have revealed new evidence that there are not just one but four tiny planets circling around Barnard's Star, the second-nearest star system to Earth.