On Sept. 26, 2022, at 7:14 p.m. EDT, NASA smashed a pint-sized spacecraft into an asteroid — and changed the course of both the space rock and planetary defense forever. The purpose of that mission, ...
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 ...
NASA’s asteroid impact changed Dimorphos’s orbit, but another strange shift followed. Scientists are still searching for ...