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 ...

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 ...

A family's vacation turned into a real treasure hunt after they excavated a monster-sized megalodon shark tooth in South Carolina. Paul Columbia and his sons were in Summerville when they unearthed ...

The megalodon is a prehistoric ancestor of the modern-day shark, and just like it preceded the shark, National Megalodon Day precedes Shark Week. National Megalodon Day is June 15. The Discovery ...

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 ...

Flinders University provides funding as a member of The Conversation AU. Imagine the seas off Peru, 6 million years ago. A group of long-nosed dolphins swam through the warm seawater, breaking the ...

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

A new study has uncovered surprising insights into the feeding habits of the largest predatory fish to ever roam the Earth's oceans, challenging long-standing assumptions about the prehistoric ...

In the age of dinosaurs — before whales, great whites or the bus-sized megalodon — a monstrous shark prowled the waters off what's now northern Australia, among the sea monsters of the Cretaceous ...

Some of the items up for auction include two megalodon shark teeth. The teeth were found this summer off the North Carolina coast by scuba divers. Some interesting fossils found along our coastline ...