Whether you're 5 or 55, it's hard not to be awestruck by dinosaurs. The idea of enormous creatures once dominating our planet before mysteriously disappearing sparks fascination, especially with new ...

Sixty-six million years ago, a catastrophic asteroid impact wiped out 75% of Earth’s species, bringing an abrupt end to the reign of the nonavian dinosaurs. The 9-mile-wide (15 km) space rock struck ...