A newly described fossil from northern Australia reveals an 8 meter mega-shark that hunted in the age of dinosaurs, long before the famous Megalodon ever evolved. By pushing the origin of giant ...

For decades, the giant ancient shark Otodus megalodon has loomed in our imaginations as a horror of the ancient seas — an enormous, meat-seeking missile evolved to annihilate whales and nothing less.

Contrary to widespread assumptions, the largest shark that ever lived -- Otodus megalodon -- fed on marine creatures at various levels of the food pyramid and not just the top. Scientists analyzed the ...

Add Yahoo as a preferred source to see more of our stories on Google. The biggest, most formidable shark to have ever roamed the ocean may have been even larger than previously thought, according to a ...

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 ...

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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 ...

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 ...

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 ...

Imagine the seas off Peru, 6 million years ago. A group of long-nosed dolphins swam through the warm seawater, breaking the surface with occasional enthusiastic leaps into the stark sunshine, then ...