Perhaps strangely, dinosaurs did not evolve any saber-toothed species. Teenage tyrannosaurs sometimes had a fangy look to them, but they never quite resembled the likes of Smilodon. Mammals are ...

The ferocious Smilodon of the Ice Age is among the most ... Beasts were getting bigger in a world where the only remaining dinosaurs were birds, and mammals evolved into all sorts of shapes ...

Until about 10,000 years ago, the saber-tooth cat Smilodon fatalis was a fearsome predator in what is now the American West. More than 3,000 fossilized cats have been pulled from the acrid ooze of ...