nasa DART mission

This imagery from NASA's Hubble Space Telescope shows the debris blasted from the surface of Dimorphos 285 hours after NASA's DART spacecraft smashed into the asteroid's surface.

Science

Astronomers still have their eyes on that asteroid NASA whacked

5:00am March 04, 2023

by Nell Greenfieldboyce

NASA's Double Asteroid Redirection Test slammed a spacecraft into an asteroid, directly altering its path through space. Scientists are still studying the space rock to learn more.

This illustration shows the DART spacecraft approaching the two asteroids, Didymos and Dimorphos, with a small observing spacecraft nearby.

Science

Move over, Bruce Willis: NASA crashed into an asteroid to test planetary defense

9:09pm September 26, 2022

by Nell Greenfieldboyce

NASA successfully crashed a spacecraft into an asteroid in a test of planetary defense. Now it will determine whether the mission was able to alter the asteroid's course.