The 3-inch long teeth are on display at the Melbourne Museum. No, this isn't a publicity stunt for the new movie "Meg." A teacher and fossil enthusiast found a giant set of prehistoric shark teeth ...

Sharks' teeth—some of nature's sharpest and most formidable weapons—may not withstand the effects of future ocean acidification, new research suggests. Scientists at the Heinrich Heine University ...

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 ...

The ocean depths are full of mysteries and monsters. But some of its greatest secrets and behemoths lie not beneath the waves ...

WASHINGTON — They are the ocean's most famous apex predator. But something is eating at them - acid. Rising acid levels in the world's seas will dissolve sharks' teeth - that's according to a new ...