http://www.newsweek.com/video-nasa-asteroid-dart-mission-smash-hit-launch-spacex-rocket-falcon-9-1652808

NASA's Double Asteroid Redirection Test (DART) mission spacecraft has successfully launched as scientists seek to test our planetary defenses against a theoretical asteroid threat.

The DART spacecraft launched atop a SpaceX Falcon 9 rocket at 1:21 a.m. EST on Wednesday from Vandenberg Space Force Base in California.