New biomechanical research shows Smilodon's legendary saber teeth came with a surprisingly weak bite — and reveals the real ...

Fossils tucked away in a museum drawer and identified merely as "feline" are actually from a very ancient and enigmatic saber-toothed cat that inhabited North America more than 5 million years ago.

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A mummified ice age ...