Quick Take New vertebrate fossils reveal a more ancient mega-shark years before Megalodon This mega-shark was found in Australia The finding rewrites the historical timeline of shark evolution Long ...

A Gulf Coast woman joined an exclusive marine-paleontology club last week when she discovered the tooth of a megalodon, the gargantuan ancestor of modern sharks that vanished from the world's oceans ...

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 ...

Shark biologists now say a lemon shark, like this one, is a better model of the extinct megalodon's body than the great white shark. The megalodon has long been imagined as an enormous great white ...