A rock and a hard place ...

A 2022 NASA mission changed the orbit of the asteroid Dimorphos around its companion. New data shows their joint orbit around ...

NASA’s DART mission changed the Dimorphos' asteroid orbit around the Sun, proving spacecraft impacts could help defend Earth.

Studying the 2022 collision's effects can help scientists protect the Earth from celestial objects that might head toward us ...

The spacecraft slowed down the system's 76,000 mph orbital speed... by two inches per hour. We're going to have to punch a lot harder if we want to save Earth.

An asteroid estimated to be a kilometer (3,451 feet) wide will fly by Earth on January 18. The video in the media player above is from a related report. It will pass within 1.2 million miles of our ...