Top news
NASA launches first mission to test asteroid deflection
By Denise Chow
Just how many threatening asteroids are there? It's complicated.
By Meghan Bartels
Falcon 9 launches DART
By Jeff Foust
All coverage
Michael Bay Says Armageddon Predicted NASA's Asteroid Mission
By Umberto Gonzalez
SpaceX sends NASA craft on collision course with asteroid to test concept of protecting Earth in case of future threat
By William Harwood
NASA's asteroid-deflecting DART mission just launched on a one-way trip to collide with a space rock
By Mindy Weisberger
NASA Launches New Mission: Crash Into Asteroid, Defend Planet Earth (Published 2021)
By Joey Roulette
NASA launches mission to crash into a near-Earth asteroid to try to change its motion in space
By Ashley Strickland
NASA's DART spacecraft will smash into asteroid to test planetary defense tool
By Nell Greenfieldboyce
NASA counts down to DART launch, the first test of "planetary defense" against asteroids
By William Harwood