On September 11, 2022, a critical step in planetary defense was taken as NASA’s Double Asteroid Redirection Test (DART) spacecraft, traveling over 5 million miles through space, performed the world’s ...
On Sept. 26, 2022, NASA's Double Asteroid Redirection Test craft smashed into its target, the hazardous asteroid Dimorphos, and raised hopes that a space rock could be deflected from a collision ...