NASA

Why is a NASA spacecraft crashing into an asteroid?

CAPE CANAVERAL, Fla. (AP) — In the first-of-its kind, save-the-world experiment, NASA is about to clobber a small, harmless asteroid millions of miles away. A spacecraft named Dart will zero in on the asteroid Monday, intent on slamming it head-on…

Take 2: NASA aims for Saturday launch of new moon rocket

CAPE CANAVERAL, Fla. (AP) — NASA will try again Saturday to launch its new moon rocket on a test flight, after engine trouble halted the first countdown this week. Managers said Tuesday they are changing fueling procedures to deal with the issue.…