YR4: everything to know about the potential "city killer" space rock that has a 2.3% chance of striking Earth on Dec. 22, ...

A near-Earth asteroid as wide as the Statue of Liberty is tall could strike Earth on Dec.22, 2032, alerting planetary defense ...

The threat of a newly discovered asteroid has risen slightly in the past few weeks, as the world’s telescopes rush to track ...

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 far side.

Research reveals that an asteroid collision billions of years ago created a pair of grand canyons on the far side of the moon. U.S. and British scientists utilized photos and data from NASA’s Lunar ...