Smacked asteroid's debris trail more than 6,000 miles longThe asteroid that got smacked by a NASA spacecraft is now being trailed by thousands of miles of debris.
How to watch NASAโs DART spacecraft crash into an asteroidDART is the worldโs first mission to test technology for defending Earth against potential asteroid hazards.
NASA asteroid redirection mission closing in on launchNASA plans to deliberately strike an asteroid during its Double-Asteroid Redirection Test.