Tyrannosaurus rex and Megalodon didn't live at the same time, and even more, one lived on land and the other in the ocean. But nonetheless, they both ruled their ecosystems at the very top of the ...

An ancient creature is lurking in the ocean. It's double the size of a T.rex. Its gigantic jaws could crush a car. And now, ...

In fact, a T-rex would have been a quick snack for megalodon. Its head would have easily fit inside the gargantuan shark's mouth.

Watch the video above to see how big the megalodon's tooth compares to that of a great white shark. You can also see how big it is in the photo below! Which has a stronger bite? A T-Rex or the ...

As one of the largest predators to have ever lived, megalodon captures people's imagination - and for good reason. But was this apex predator simply a beefed-up great white shark, and is it still ...

A prehistoric food fight may have spelled the end for the megalodon, the largest shark that ever lived. A study of the ocean giant's fossil teeth suggests it had to compete for food with another ...

The ocean’s most formidable cold-hearted killer, the long-extinct giant megalodon shark, may have been warm-blooded – which could have caused its disappearance more than three million years ago.

As one of the largest predators to have ever lived, megalodon captures people's imagination - and for good reason. But was this apex predator simply a beefed-up great white shark, and is it still ...