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 ocean’s ultimate predator once hunted whales with ease. Here’s why the world’s biggest shark eventually vanished off the ...

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 now-extinct megalodon shark may have been larger than first believed, reaching lengths of 80 feet (24.3 meters), according to a new study published in Palaeontologia Electronica last week. This is ...

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 ...

Everyone's favorite prehistoric shark may have been much sleeker and much larger than previously thought. A new study suggests that the megalodon wasn't as stocky as the great white shark, and that it ...

The Meg was shaped more like a whale than the giant great white shark in the Jason Statham movies, suggests new research. Megalodon, the prehistoric ocean hunter, was a "longer, sleeker super predator ...

A new study has uncovered surprising insights into the feeding habits of the largest predatory fish to ever roam the Earth's oceans, challenging long-standing assumptions about the prehistoric ...

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 ...

Surprisingly, that honour goes to a tiny, almost eel-like creature that lived long before either of those beasts, known as ...