CAPE CANAVERAL, Fla. - A 150-foot asteroid hurtled through Earth's backyard Friday, coming within an incredible 17,150 miles and making the closest known flyby for a rock of its size. In a chilling ...
Add Yahoo as a preferred source to see more of our stories on Google. On February 15, 2013, a small asteroid exploded over the city of Chelyabinsk, Russia. [‘On This Day in Space’ Video Series on ...