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 ...

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 ...

Megalodon sharks were among the largest and most formidable predators ever to exist, dominating the oceans millions of years ...

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), ...

Megalodon, a giant prehistoric shark, ruled the oceans millions of years ago. The conventional view of megalodon as simply a ...

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 ...

Like sharks, megalodon had skeletons mostly made of cartilage, so we don’t have many fossil remains to go on besides ominous piles of huge, sharp teeth and a few vertebrae. That means scientists are ...

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 charter boat captain found a whopping 6.25-inch long megalodon shark tooth in Florida. The tooth probably belongs to a giant megalodon that would have measured around 50 feet in size. A ...