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 ...

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 ...

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

For nearly 20 million years, megalodons prowled the world’s oceans. The massive creatures, which could grow up to 80 feet long and weighed about 94 tons, used their large teeth and strong jaws to ...

Maryland has become the first state to designate a state shark, choosing the extinct megalodon. The effort was led by paleontologist Stephen Godfrey of the Calvert Marine Museum. Fossils of the ...

Few prehistoric monsters capture the imagination quite like the megalodon. From natural history museums to the silver screen, this colossal shark, which went extinct over three million years ago, has ...

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

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 ...

Shark biologists now say a lemon shark, like this one, is a better model of the extinct megalodon's body than the great white shark. The megalodon has long been imagined as an enormous great white ...

As paleontologist Stephen Godfrey walked into the Calvert Marine Museum one morning in April, staff members congratulated him. In a way, he brought an extinct species back to life. Two days earlier, ...