Fossil teeth of extinct megalodon sharks have grooves made by other megalodon teeth, hinting at violent encounters between ...

A look at the strongest, biggest, most numerous, and just weirdest dental situations on the planet.

They are large-bodied and display a mouthful of sharp teeth that protrude ... known to attack humans only when bothered first. Sand tiger sharks are brownish-gray with rust-colored spots on ...

For the past two decades, scientists have been manipulating genes to grow human cells where you wouldn’t quite expect them.

AN INCREDIBLE nine million year old ancestor of the great white shark has been discovered in Peru. The 23ft long beast had huge flesh-tearing teeth that ripped through its prey and could grow up ...

The team says that humans have a third set of teeth available as buds, ready to grow as needed. A sliver of what makes sharks ...

Greenland sharks have narrow, pointed upper teeth and broader, squared teeth on the lower jaw. Holding large prey in position with their upper teeth, they roll their head in a circular motion ...

Sharks have ruled the Earth’s oceans for 400 million years and recent research on fossilized shark teeth has led to the ...

A Brazilian woman was horrified when she found a fish with human-like teeth in its mouth while cleaning it for dinner. The video of the fish's teeth went viral with over 5.3 million views.