Scientists say this shark has hardly changed since it first appeared millions of years ago. That’s why they’re so fascinated ...

An Australian fossil reveals the first lamniform shark, measuring 20 feet long and living 15 million years earlier than believed.

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 ...

Some animals have been around since the time of the dinosaurs—and they’re still thriving today! Known as “living fossils,” these creatures have barely changed over millions of years and continue to ...

The ratios of strontium isotopes in fossil shark teeth can be used to better understand how coastal environments evolved in ancient times, according to our newly published work. As paleontologists ...

(CNN) — During the Cretaceous Period, a genus of sharks roamed the sea with rows of unusual teeth. Mostly large and rounded, these chompers were not meant to slice through their prey, but to grind and ...

A mysterious species of deepwater shark that has been increasingly threatened with extinction for years was thrown a lifeline Friday after the global body that regulates the international endangered ...

Quick Take New vertebrate fossils reveal a more ancient mega-shark years before Megalodon This mega-shark was found in Australia The finding rewrites the historical timeline of shark evolution Long ...

The ocean depths are full of mysteries and monsters. But some of its greatest secrets and behemoths lie not beneath the waves ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Our study was one of the first to date Florida coastal deposits using fossil shark ...