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 ...

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 ...

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 ...

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 ...

Imagine heading out for a swim and knowing that a shark the size of a bus could be lurking somewhere beneath the surface. This is not the plot of a science fiction movie. It is what life might be like ...

A new study shows the Megalodon, a gigantic shark that went extinct 3.6 million years ago, was more slender than earlier studies suggested. This finding changes scientists' understanding of ... How ...

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

The biggest, most formidable shark to have ever roamed the ocean may have been even larger than previously thought, according to a new study. The research, published Sunday in the journal ...

A shark so rare it was once thought to be extinct was just spotted off the Welsh coast. The Wildlife Trust of Wales captured footage of the angel shark in Cardigan Bay, the first documented sighting ...

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