For centuries scientists have imagined megalodon as an oversized great white shark. But would another shark provide a better picture?

Turns out, the palm-sized tooth belonged to an animal that died at least 3.5 million years ago: an Otodus megalodon shark ... is from the left side an upper jaw, Godfrey also said, adding ...

Scientists have discovered that the long-extinct megalodon, also known as the megatooth shark, had a body temperature ... in the megalodon’s fossil teeth called apatite. A tooth’s isotopic ...