Long before Jaws, long before Megalodon, and even long before Tyrannosaurus rex prowled the land, a colossal shark patrolled the ancient seas of what is now northern Australia. New research reveals ...

The megalodon has long been imagined as an enormous great white shark, but new research suggests that perception is all wrong. The study finds the prehistoric hunter had a much longer body -- closer ...

A monstrous shark, predating whales, great whites, or even the bus-sized megalodon, once prowled the waters off what is now northern Australia during the Cretaceous period. Researchers, studying huge ...

Add Yahoo as a preferred source to see more of our stories on Google. Roaming the ancient seas eons ago, the megalodon shark eviscerated its prey with jaws that were 10 feet wide. Warpaintcobra/iStock ...

The ocean depths are full of mysteries and monsters. But some of its greatest secrets and behemoths lie not beneath the waves of today, but beneath the rocks of prehistory. Most people have heard of ...

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 ...

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 ...

A new study proposes that the massive ancient shark was built more slenderly than a great white. But not all paleontologists agree. This illustration of megalodon may be wrong. The ancient predatory ...

Maryland lawmakers voted to designate the massive, prehistoric megalodon as the state's official shark. The passed legislation makes Maryland the first state to name an official shark.