This documentary explores the extraordinary story of Leviathan melvillei, one of the most powerful predators ever to inhabit ...

Leviathan melvillei was one of the most terrifying marine predators to ever exist, dominating the oceans millions of years ...

Add Yahoo as a preferred source to see more of our stories on Google. Roaming the ancient seas eons ago, the megalodon shark eviscerated its prey with jaws that were 10 feet wide. Warpaintcobra/iStock ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. The extinct Megalodon, meaning "big tooth," was an apex ...

By cannibalizing their siblings in the womb or avoiding meat-eating pliosaurs, fearsome carnivores like the megalodon ballooned to proportions that would dwarf any shark alive today ...