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 ...

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

It's the largest shark that's ever lived on Earth against a monstrous whale who terrorizes its prey. Would the megalodon shark or the Leviathan whale win this epic underwater matchup? Which underwater ...

Fossils have a way of captivating everyone, no matter their profession or the species unearthed, but there’s something about Megalodon that grips the imagination like no other. Fossilized shark teeth ...

A shark so rare it was once thought to be extinct was just spotted off the Welsh coast. The Wildlife Trust of Wales captured footage of the angel shark in Cardigan Bay, the first documented sighting ...

Several fossil teeth from the giant predatory shark Otodus megalodon show scratch marks that could only have been made by members of their own species, suggesting that the largest sharks of all time ...

JT’s Sharks' Teeth and Fossils outlines its specialization in authenticated prehistoric shark fossils, emphasizing verified Megalodon specimens supported by documented provenance and professional ...