The true size of a gigantic prehistoric megalodon shark that ruled the oceans millions of years ago has been revealed for the first time -- and it had teeth as big as hands, and a fin as tall as a ...

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 ...

Freelance writer Amanda C. Kooser covers gadgets and tech news with a twist for CNET. When not wallowing in weird gear and iPad apps for cats, she can be found tinkering with her 1956 DeSoto.

Like other sharks, the bodies of megalodon were cartilaginous, almost entirely soft tissue, and that doesn’t preserve very well. A dead meg would make an incredible feast, not to mention a dramatic ...

The now-extinct megalodon shark may have been larger than first believed, reaching lengths of 80 feet (24.3 meters), according to a new study published in Palaeontologia Electronica last week. This is ...

These extinct sharks gave birth to some really large babies -- about the size of a full-grown human adult. At birth, megalodons were about 6.6 feet, or 2 meters, in length, according to a study ...

Faster than any shark alive today and big enough to eat an orca in just five bites: A new study suggests the extinct shark known as a megalodon was an even more impressive superpredator than ...

A new shark study reveals that the iconic extinct Megalodon shark grew to larger sizes in cooler waters than in warmer areas. DePaul University paleobiology professor Kenshu Shimada and coauthors ...

According to a new study, such may have even been the case with everyone's favorite prehistoric shark, the megalodon. Back in the 1800s, German biologist Carl Bergmann first proposed that big animals ...

“Where do large fish live?” asked one scientist to the other as their lines bobbed on the surface of the Florida Keys water. They were fishing – more like waiting for the fish to show up to be fished ...

A new study proposes that the massive ancient shark was built more slenderly than a great white. But not all paleontologists agree. This illustration of megalodon may be wrong. The ancient predatory ...

Learn how newly discovered vertebrae from a 6- to 8-meter shark pushes the origin of mega-predators back by 15 million years.