The Keck Observatory and NASA’s Hubble Space Telescope may have uncovered a "potential three-body system in the Kuiper Belt," ...

Far beyond Neptune, astronomers have finally confirmed a compact clump of icy worlds hiding inside the Kuiper Belt, a feature ...

The newly identified cluster of Kuiper Belt objects lies about 4 billion miles from the Sun, offering fresh clues about how ...

The mystery of how planets and icy objects formed in the farthest reaches of our solar system just took an exciting turn. A team of researchers from NASA recently uncovered strong evidence for a rare ...

"Basically, we detected a water–ice reservoir." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. At long last, particles of water–ice have been ...

There may be a warp in the Kuiper Belt, possibly caused by “Planet Y” — a Mercury-to-Earth-sized world that orbits the sun way beyond the orbit of Neptune. Is there a mysterious “Planet Y” orbiting ...

Ricky Freeman, president of Project Kuiper's Kuiper Government Solutions division at Amazon, outlined the road ahead for the constellation Sept. 15 during World Space Business Week in Paris. Credit: ...