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 ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Paleobiologist Dr ...

WELLINGTON, New Zealand (AP) — In the age of dinosaurs — before whales, great whites or the bus-sized megalodon — a monstrous shark prowled the waters off what’s now northern Australia, among the sea ...

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 ...

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 ...