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

Sharks are the most feared predators in the sea, and their survival hinges on fearsome teeth that regrow throughout their ...

Jacob Danner has searched a Florida beach for washed-up items almost every sunrise for the past year. But three weeks ago, Danner, an art curator, found his first megalodon tooth - 3 inches long, and ...

A woman discovered a rare shark tooth in Florida, offering a glimpse into prehistoric times. Nichole Mercuri, 26, was walking along a Florida beach when she says she spotted a giant tooth that once ...

Naylor and others cautioned that ocean acidification is indeed going to pose many threats to the ocean beyond just sharks.