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 ...

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 ...

Megalodons—the iconic extinct sharks that dominated the ocean millions of years ago—have been portrayed in Hollywood blockbusters and sci-fi novels as oversize great white sharks. But new research ...

Everyone's favorite prehistoric shark may have been much sleeker and much larger than previously thought. A new study suggests that the megalodon wasn't as stocky as the great white shark, and that it ...

An artistic reconstruction of the extinct megalodon. Scientists' ideas about how the megalodon looked are based on its fossilized teeth. Hugo Saláis via Wikimedia Commons under CC BY 4.0 Between 3 ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. If you picture a megalodon, chances are you envision what amounts to ...

For decades, the giant prehistoric shark known ominously as “The Meg" has been portrayed as a massive apex predator that hunted the only formidable opponent in the oceans at the time: whales. But new ...

Forbes contributors publish independent expert analyses and insights. Márquez is a marine scientist and science communicator “Our new study has solidified the idea that O. megalodon was not merely a ...

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