In this space wallpaper, scientists think that a giant asteroid, which broke up long ago in the main asteroid belt between Mars and Jupiter, eventually made its way to Earth and led to the extinction ...

A fateful day some 66 million years ago, a 7.5-mile-wide (12 kilometer) space rock slams into Earth, setting off a series of events that ended the age of dinosaurs. From the dinosaurs' perspective, it ...

Somewhere, out in the interstellar void, there may be a planet inhabited by hyper-advanced dinosaurs. At least, that’s what a new paper by Columbia University chemist Ronald Breslow says. This morning ...