Thankfully for surfers and ocean swimmers, the megalodon shark went extinct around three million years ago. Much of what we do know about this fearsome creature comes from studies of its massive teeth ...

Megalodon, the largest shark that ever lived, is famous for its huge, human-hand-sized teeth. However, there is little fossil evidence of its whole body. International researchers have now used an ...

Freelance writer Amanda C. Kooser covers gadgets and tech news with a twist for CNET. When not wallowing in weird gear and iPad apps for cats, she can be found tinkering with her 1956 DeSoto.

The reconstructed megadolon (Otodus megalodon) was 16 meters long and weighed over 61 tons. It was estimated that it could swim at around 1.4 meters per second, require over 98,000 kilo calories every ...