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 Meg was shaped more like a whale than the giant great white shark in the Jason Statham movies, suggests new research.

Megalodon sharks were among the largest and most formidable predators ever to exist, dominating the oceans millions of years ...

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

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 ...

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.

Megalodon tends to dominate conversations about prehistoric ocean predators. Its massive jaws and oversized teeth have turned it into a pop-culture icon that feels almost mythical. Yet during the ...

VENICE, Fla. - A recent diving trip off the coast of Florida resulted in an ancient discovery. Kristina Scott found a 6-inch megalodon shark tooth while fossil diving in Venice. She said she's been ...