you either get a false tooth or leave a hole in your gums. Not so with sharks: their teeth are endlessly replaceable. A single shark may run through upwards of 50,000 teeth in its lifetime.

Brothers Oliver and Sebastian Martinez probably didn't realize they were introducing Rhode Island to a scientific mystery when they discovered a fossilized great white shark tooth on Narragansett ...

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 ...

This means that there is a much greater chance that a shark tooth will be preserved and turned into a fossil. Not only are the teeth the most common part of sharks to be found, they’re one of the most ...

Matteo Della Bordella, Christian Ledergerber and Silvan Schüpbach on the summit of Shark's Tooth after having made the first ascent of The Great Shark Hunt (900m, 7b+, 08/2014) Planetmountain.com is a ...