Sharks have teeth on their skin. It’s a weird idea to get your head around, we know, but that’s not even the big news. New research has revealed that the pulp found within the adapted gnashers on ...

STANFORD, Calif. (KGO) -- If you ever come face-to-face with the wrong kind of shark, there's something you probably want to avoid. Just a hint: they're long and really sharp. But now, researchers at ...

(Close-up of a shark with sharp teeth. Credit: GIOVANNI NITTI / Shutterstock.) Shark teeth are a marvel of evolution. They are so sharp that many island cultures once used them as weapons and tools to ...

PORTLAND, Maine — Sharks are the most feared predators in the sea, and their survival hinges on fearsome teeth that regrow throughout their lives. But changes in the ocean's chemistry could put those ...

Shark teeth found in 5-million-year-old whale skulls provide direct evidence of ancient feeding behavior and predator-prey ...

Add Yahoo as a preferred source to see more of our stories on Google. The only thing scarier than an ocean filled with sharks, is an ocean with no sharks at all. That might be the future we’re heading ...