Fifteen million years ago, now-extinct species of dolphins, whales and large sea cows roamed the world’s oceans, topping the underwater food chain. Yet back then, any one of these creatures could ...

Rediscovered Otodus megalodon fossil helps scientists confirm the biggest known shark vertebrae and improve estimates of the ...

Otodus megalodon was the largest predatory fish in Earth's history. Measuring up to 24 meters, it was longer than a truck with a trailer and weighed almost twice as much. Embedded in its jaws were ...

Science has spent decades trying to reconstruct Megalodon, the most powerful predator the oceans ever produced. The picture that emerges is more unsettling than legend.

The largest shark discovered to date — the monstrous Otodus megalodon — may have been a sleek, long-bodied leviathan. A fresh look at the extinct predator’s fossilized remains suggests its body was ...

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 ...

A set of giant Megalodon vertebrae that vanished for decades has been rediscovered in Denmark, confirming that this prehistoric shark may have reached at least 79 feet in length.