For nearly 20 million years, the oceans were prowled by a gigantic predator. The iconic shark Otodus megalodon swam seas all over the planet, snacking on the marine mammals of its time and ...

The now-extinct megalodon shark may have been larger than first believed, reaching lengths of 80 feet (24.3 meters), ...

The group includes Megalodon, the largest shark that ever lived, as well as several related ... This brings scientists closer to a complete explanation for the climate cycle between the ice ages and ...

Megalodon, the ancient shark often depicted as a super-sized great white, was in fact a rather different beast, according to a new analysis of fossil evidence. The fearsome predator was longer ...

New estimates suggest the megalodon — a giant, ancient shark — had a head about 15 feet long and a dorsal fin more than 5 feet tall. Researchers used the shark's fossilized teeth and the ...

Researchers find that the evolution of teeth in the giant prehistoric shark Megalodon and its relatives was a by-product of becoming huge, rather than an adaptation to new feeding habits.

Extinct megalodon sharks were the top marine predators of their day and arguably more terrifying than anything Hollywood has dreamed up. The giant shark is back. Five years after The Meg ...

A Florida man was left delighted last week after finding a tooth fossil from a megalodon, the largest shark to ever live. Michael Nastasio said he was "so happy" when he found a 6-inch-long ...

If you don't know how big a megalodon shark was back ... reserve our sympathy for the prey, but the life of a predator, even a gigantic megatooth shark, was no cakewalk either." ...