A stunning new animation shows saber-toothed cats attacking a herd of woolly mammoths toward the end of the last ice age in the frozen north of North America. "That whole story is set in the frozen ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Nearly one in three U.S. households harbor a cold-hearted killer ...

Cats bite for lots of different reasons. They also have different kinds of bites. A gentle nibble is a non-aggressive interaction, while a real bite is probably related to aggression, pain or fear. In ...