A massive asteroid is hurtling towards Earth, prompting NASA's warning of a close encounter. Will it strike? What's the ...
It measures 130 to 300 feet across, a pebble compared to the asteroid that killed the dinosaurs, which is estimated to have been six to nine miles in length. On the other hand, on Feb. 15, 2013, an ...
Asteroid headed towards Earth could smash into the Moon, scientists say - Nasa expects chances of Earth collision to be ...