Nova
DiscoveriesResearchers discover of a piece of the asteroid that killed off the dinosaurs
One fateful day some 66 million years ago, a 7.5-mile-wide space rock slammed into the Earth ending the age of the dinosaur.
Joseph Shavit
One fateful day some 66 million years ago, a 7.5-mile-wide space rock slammed into the Earth ending the age of the dinosaur.
Joseph Shavit