Megalodon sharks went extinct 3.5 million years ago but some believe they still exist in uncharted parts of the ocean.

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 ...

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 ...

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.

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 ...

but is significantly warmer than most sharks. Its warmer operating temperature may be what allowed Otodus megalodon to grow so huge, dominant and terrifying. The researchers write that its warmer ...

Swansea University The project was supervised by shark expert Dr Catalina Pimiento of Swansea University Results suggest a 16m (52ft) megalodon - almost three times as long as a great white shark ...