The ocean depths are full of mysteries and monsters. But some of its greatest secrets and behemoths lie not beneath the waves ...

Roaming the ancient seas eons ago, the megalodon shark eviscerated its prey with jaws that were 10 feet wide. Warpaintcobra/iStock via Getty Images Plus Imagine traveling back in time and observing ...

The megalodon is an infamous prehistoric creature, known for being a monstrous beast, often portrayed in films and books. But scientists have actually discovered that this infamous beast may have been ...

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 ...

Researchers, studying huge vertebrae discovered near Darwin, have identified this creature as the earliest known ...

Was the Megalodon shark actually as massive and monstrous as it has looked in sci-fi movies? A new study has found that the Megalodon shark was actually not like a gigantic great white shark. The ...

Megalodons were the biggest sharks on the planet. Recent studies show how these apex predators reached lengths of 50 feet with heads the size of cars.

The true size of a gigantic prehistoric megalodon shark that ruled the oceans millions of years ago has been revealed for the first time -- and it had teeth as big as hands, and a fin as tall as a ...

The biggest, most formidable shark to have ever roamed the ocean may have been even larger than previously thought, according to a new study. The research, published Sunday in the journal ...

The megalodon, a giant shark that went extinct some 3.6 million years ago, is famous for its utterly enormous jaws and correspondingly huge teeth. Recent studies have proposed that the megalodon was a ...