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 ...

In this video we were able to take some friends and their kids (future fossil hunters!) on a hunt for Megalodon Shark Teeth. You'll see early on that our day started out absolutely insane and ...

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 ...

Roaming the ancient seas eons ago, the megalodon shark eviscerated its prey with jaws that were 10 feet wide. Warpaintcobra/iStock via Getty Images Plus Imagine traveling back in time and observing ...

It’s not Shark Week yet, but National Megalodon Day is the next best thing until the Discovery Channel kicks off its shark love fest on July 20. National Megalodon Day is June 15 and celebrates the ...

For years, the megalodon has been imagined as a monstrous version of the great white shark. Depictions in movies and ...

The megalodon went extinct 3.6 million years ago, and is thought to be the largest shark that ever swam the Earth. But there's debate over what it looked like. Most scientists have described it as a ...

On a clear blue day, Bill Eberlein is 60 feet underwater digging through the muck of the ocean floor. Eberlein is a longtime diver and SCUBA instructor, a native Pennsylvanian who came to Georgia by ...

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 ...