The longest mapped network of caves in the world also contains one of the most implausible marine collections in North America. In Mammoth Cave, sharks and their kinsmen are preserved in layers of ...

A great white shark is a masterwork of evolutionary engineering. These beautiful predators glide effortlessly through the ...

A group of German scientists tested the effects of a more acidic ocean on sharks' teeth and found that future generations of sharks could have weaker teeth because of changing ocean chemistry.

Shark teeth are a marvel of evolution. They are so sharp that many island cultures once used them as weapons and tools to hunt and cut up meat. Unlike human teeth, shark teeth line the mouths of these ...

If you saw my previous video you were introduced to our good friend Bob from Canada. Here he joins us for another day of ...

‘There is a corrosion effect on sharks’ teeth,’a study’s author said ...

Banning teeth does not stop sharks from being sharks. And banning plain speech does not make the public safer.

Shark teeth are also disposable – they are constantly replaced throughout their lives, like a conveyor belt pushing a new ...

An ancient shark older than forests still glides through deep oceans today. Its strange teeth, slow life cycle, and dinosaur-era origins reveal how early seas shaped survival across mass extinctions.

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 ...

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 ...

In a state better known for its delicious seafood and as the home of the United States Navy, there’s a new effort to create ...