Lucy is preparing for a close encounter with the asteroid Donaldjohanson, a key milestone before its groundbreaking journey ...

It's a new type of three-body problem for astronomers, who used the Hubble Space Telescope to determine that twin asteroids ...

Astronomers have made a groundbreaking discovery using archival data from the James Webb Space Telescope (JWST ... number of tiny asteroids in the asteroid belt between Mars and Jupiter.

The asteroid belt is not the only repository of these space rocks in the solar system, however. Asteroids known as "trojans" share orbits with planets in the solar system. Jupiter has the most ...

NASA's Hubble Space Telescope has discovered that a system of asteroids in the distant Kuiper Belt may be triplets, not twins as previously suspected. If so, the stable trio of icy space rocks ...