NASA is about to clobber a small, harmless asteroid millions of miles away.
A spacecraft named DART (Double Asteroid Redirection Test) will zero in on the asteroid Monday, intent on slamming it head-on at 14,000 mph.

NASA is about to clobber a small, harmless asteroid millions of miles away.
A spacecraft named DART (Double Asteroid Redirection Test) will zero in on the asteroid Monday, intent on slamming it head-on at 14,000 mph.