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

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 didn’t just change the orbit of Dimorphos, the asteroid it hit. It changed the orbit of the larger ...

Four years ago, NASA purposely smashed a spacecraft into a small asteroid to see if they could deflect it—a test to prove humanity could protect Earth from threatening space rocks.

NASA says an impact from its DART spacecraft changed the orbit of an asteroid for the first time ever, offering hope for planetary defense.