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 ...

What if Megalodon never went extinct - and the ocean’s greatest predator kept evolving right into the modern day? In this ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Roaming the ancient seas eons ago, the megalodon shark eviscerated its prey with jaws that were 10 feet wide. Warpaintcobra/iStock ...

The curious minds at What If explore a world where Megalodon sharks had never gone extinct, imagining how these enormous predators would shape oceans, ecosystems, and human activity today.

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The ancient extinct shark that starred in the film The Meg is thought to be the largest shark that ever swam the Earth. But there's debate over... That giant extinct shark, Megalodon? Maybe it wasn't ...