Ever wonder why sharks have so many differently shaped teeth or why they keep regrowing throughout their lives? Dr. David ...

A new study proposes that the massive ancient shark was built more slenderly than a great white. But not all paleontologists ...

Not a single tooth, not one whale bone with a modern megalodon scratch mark, not even a baby shark tooth has turned up in newer layers. For an animal that sheds up to 40,000 teeth in one lifetime ...

Turns out, the palm-sized tooth belonged to an animal that died at least 3.5 million years ago: an Otodus megalodon shark. "She told me she was wading in knee-deep water when she saw it and dove ...

More there’s something about Megalodon that grips the imagination like no other. Fossilized shark teeth are some of the most abundant remnants of prehistoric oceans, providing scientists with ...