Shark teeth are “highly developed weapons built for cutting flesh, not resisting ocean acid,” Baum said. Sharks will go ...

There's a megalodon tooth resting on my fireplace mantle. The ancient, palm-sized fossil is fascinating, but a common household curio: Teeth from the giant extinct shark — which grew around 50 feet ...

VENICE, Fla. - A recent diving trip off the coast of Florida resulted in an ancient discovery. Kristina Scott found a 6-inch megalodon shark tooth while fossil diving in Venice. She said she's been ...

While movie megalodon is heightened for entertainment, the real thing was still huge. Megalodon was a white or mackerel shark, related to today’s great white shark. Some believe the whale shark is ...

Sharks are famous for their fearsome teeth. That could change - Scientists have linked human activities including the burning ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The prehistoric ...

Christine Wusylko works for the University of Florida and receives funding from the NSF. Pavlo Antonenko works for the University of Florida and receives funding from the NSF. Most kids have a natural ...

Steven Fabijanski was visiting Caspersen Beach from Pennsylvania in July 2014 when he found this and many other fossilized shark teeth. This year the Venice Area Chamber of Commerce is holding two ...