Fifty years after Jaws hit theaters, and there’s still a lot we don’t know about sharks, which lends to their reputation as mysterious predators. There’s even more we don’t know about ancient sharks, ...

Fifteen million years ago, now-extinct species of dolphins, whales and large sea cows roamed the world’s oceans, topping the underwater food chain. Yet back then, any one of these creatures could ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American For a movie about a giant, ravenous shark, I ...

(CNN) — What scientists understand about the voracious feeding habits of the colossal megalodon could be up for some revision. The prehistoric predator that went extinct about 3.6 million years ago ...

Megalodon teeth are the largest of all shark species. With teeth that can measure up to the size of a human hand, it is easy to imagine just how enormous these ancient sharks were. However, there is ...

It’s not Shark Week yet, but National Megalodon Day is the next best thing until the Discovery Channel kicks off its shark love fest on July 20. National Megalodon Day is June 15 and celebrates the ...

WELLINGTON – In the age of dinosaurs — before whales, great whites or the bus-sized megalodon — a monstrous shark prowled the waters off what's now northern Australia, among the sea monsters of the ...