Despite their overall similarities, asteroids are usually pretty distinct from one another. Vesta has a very different ...

It is a roughly spherical world some 90 miles (150 kilometers) wide. Additionally, asteroid 2 Pallas is in conjunction with the Sun at 3 A.M. EST, rendering this space rock unobservable for now.

CAPE CANAVERAL, Fla. (AP) — New research shows that when an asteroid slammed into the moon billions of years ago, it carved out a pair of grand canyons on the lunar far side. That’s good news ...