Paleobiologist Dr. Kenshu Shimada has been fascinated by fossil sharks, including the giant Otodus megalodon, since childhood — he found his first megalodon tooth at 13 years old. So when he saw the ...

The giant extinct shark species known as the megalodon has captured the interest of scientists and the general public alike, even inspiring the 2018 blockbuster film The Meg. The species lived some ...

It remains a sad fact of this world that we will never know for certain what the long-lost megalodon truly looked like – but a new study gives us what may be the most accurate reconstruction yet. An ...

The ocean’s ultimate predator once hunted whales with ease. Here’s why the world’s biggest shark eventually vanished off the ...

A newly described fossil from northern Australia reveals an 8 meter mega-shark that hunted in the age of dinosaurs, long ...

Fossils reveal that giant predatory sharks existed 15 million years before megalodon and were already top predators in Cretaceous seas.

Megalodon teeth are the largest of all shark species. With teeth that can measure up to the size of a human hand, it is easy to imagine just how enormous these ancient sharks were. However, there is ...

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