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,” ...

New research has found that our oceans will become more acidic, which could damage shark teeth and change the balance of some of our aquatic ecosystems. The research, published in August by a team of ...

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 weapons at risk.

Growing up, I never loved jewelry. But I’ve been wearing the same necklace for the past year: a wrapped lemon shark tooth that I found on Wrightsville Beach, which never fails to act as a conversation ...

Marine biologist Carolin Nieder says she discovered that rig sharks make clicking sounds Rig sharks make a clicking sound with flat teeth, which are quite different from other shark species' teeth, ...

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 ...

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 ...