Once relegated to playing the role of the villain in movies and television shows, sharks have recently become a cultural phenomenon. In fact, one television network famously dedicates an entire week ...

A new study shows the Megalodon, a gigantic shark that went extinct 3.6 million years ago, was more slender than earlier studies suggested. This finding changes scientists’ understanding of Megalodon ...

The biggest, most formidable shark to have ever roamed the ocean may have been even larger than previously thought, according ...

CNN — Faster than any shark alive today and big enough to eat an orca in just five bites: A new study suggests the extinct shark known as a megalodon was an even more impressive superpredator than ...

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 ...