A shark no larger than a human hand that stalked the ancient sea floor 340 million years ago has been dubbed the “chipmunk ...

The megalodon’s legendary big teeth — for which it’s named — likely came as ... The changes in megalodon’s bite allowed it to transition from hunting small, elusive prey like fish to tearing hunks of ...

Narrator: Lions have them, hippos have them, and even you and I have them: canines, those long, pointy front teeth. They're actually ... and they're not big enough to intimidate predators ...