After more than two decades studying the universe's most violent explosions, Nasa's Swift observatory has begun its final ...
The upper stage of the Falcon 9 rocket is predicted to collide with the moon on Wednesday, Aug. 5 CHANDAN KHANNA / AFP via Getty; Matthias Bein/picture alliance via Getty Part of SpaceX’s Falcon 9 ...
The 45-foot upper-stage of SpaceX's Falcon 9 rocket is projected to be on an Aug. 5 collision course with the moon's near side that faces Earth. The object is part of the same rocket that launched ...