Scientists found the 500-million-year-old fossil of a "penis worm" in the Grand Canyon—and reconstructed how the creature ...

We’ve all had a moment when we cursed at our teeth nerves for being so damn sensitive and painful. But if you’ve ever bitten ...

Tom Pierce, who operates Trader Bill Shark Teeth inside the Gay Dolphin in downtown Myrtle Beach, SC, holds a megalodon tooth. Pierce has been making jewelry and selling shark teeth for 56 years.

The National Park Service has announced another ancient shark discovery at Mammoth Cave in Kentucky. The latest find, named ...

While many species can regenerate their teeth, human beings only get one chance at growing a healthy set of adult pearly whites. But that could be about to change. Scientists from King's College ...