The end of the Cretaceous Period, 66 million years ago, marked the dramatic extinction of the dinosaurs. Until now, our ...

Some were the size of a dog. Others were as large as polar bears. A newly-discovered fossil of the ferocious hyaenodont is ...

Quick: Where are “idiots” not allowed to vote? Plus 49 other odd, outrageous, or revealing tidbits about America's 50 states.