As recently as 12,000 years ago, ancient humans shared the Earth with a monster unlike anything we know today — and it was even bigger and more terrifying than we first thought. The saber-tooth tiger ...

A very lion-like Smilodon, from Ernest Ingersoll's The Life of Animals (1907). Before they started taking measurements of jawbones, though, the authors of the new study had to consider a few ...

Smilodon was the ultimate sabercat. About the size of a tiger, but with burlier arms and elongated fangs that have made the genus famous, the Ice Age carnivore stalked camels, bison, and other ...

A new genus and species of extinct saber-toothed cat has been found in Polk County, Fla., scientists say. The fossil, which is 5 million years old, is related to the well-known carnivorous predator ...