At this point in history, astronomers and engineers who grew up watching "Deep Impact" and "Armageddon," two movies about the ...

An 1,100-foot asteroid named Apophis will pass Earth in 2029 closer than our satellites, with gravity potentially shifting ...

New observations show that asteroid 1998 KY26 is a mere 11 meters across and spinning twice as fast as previously thought.

Asteroid 2024 YR4 will not hit Earth, but it has forced planetary defense experts to confront a different kind of worst case: ...