While movie megalodon is heightened for entertainment, the real thing was still huge. Megalodon was a white or mackerel shark, related to today’s great white shark. Some believe the whale shark is ...

Paleobiologist Dr. Kenshu Shimada has been fascinated by fossil sharks, including the giant Otodus megalodon, since childhood — he found his first megalodon tooth at 13 years old. So when he saw the ...

The megalodon went extinct 3.6 million years ago, and is thought to be the largest shark that ever swam the Earth. But there's debate over what it looked like. Most scientists have described it as a ...

If you have ever wanted a crazy piece of Earth history, right now we're giving away a 20 million-year-old megalodon tooth as an IGN Store X IGN Rewards promotion. There's no purchase necessary, and ...