Do they make dentures for sharks? In the future, they might need to, with recent research suggesting that sharks may lose their deadly bite to ocean acidification. Shark teeth are the envy of the ...

While many people are scared of sharks thanks to their rows of razor-sharp teeth, the changing waters might be rendering the creatures from “Jaws” a little less fearsome. Growing acidity in the ...

Ghost sharks have evolved rows of true teeth on a bizarre forehead rod used for mating. Fossil and genetic evidence revealed the tenaculum’s teeth develop the same way as those inside the mouth, ...

Male "ghost sharks"—eerie deep-sea fish known as chimaeras that are related to sharks and rays—have a strange rod jutting from their foreheads, studded with sharp, retractable teeth. New research ...

Great white sharks have a reputation for being some of the most ferocious animals in the ocean, owing in part to their mouth full of sharp, serrated teeth. Most people believe that they are born as ...

This extraordinary underwater footage captured by Karrah, a Florida-based veterinarian, shows the remarkable moment a skilled ...

Most kids have a natural curiosity about sharks—especially their sharp and abundant teeth. Our team had the idea to use the appeal of this charismatic apex predator to teach how scientists use ...

Sharks may not be the sharp-toothed silent type after all. The clicking of flattened teeth, discovered by accident, could be “the first documented case of deliberate sound production in sharks,” ...