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 ...

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.

Yet back then, any one of these creatures could become prey to the ocean's fiercest apex predator: the megalodon, a giant shark with massive teeth and a body the size of a whale. In many ways ...

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.

The megalodon has long been imagined as an enormous great white shark, but new research suggests that perception is all wrong. The study finds the prehistoric hunter had a much longer body—closer in ...

A new study suggests the extinct megalodon shark species was larger than previously believed, with a potential length of up to 24 metres and weight of 94 tonnes. (Graham Thompson/CBC) A Saint John ...