Charles Shelton Jr. has collected thousands of shark teeth, jaws and other fossils over the past three decades. He now shares ...

The giant armadillo, a native of the South American continent can have between 80 to 100 teeth. These peg-like teeth are said ...

A tooth’s isotopic composition can reveal details ... showed how today’s large apex predators, such as the great white shark, could be similarly vulnerable to climate change.

Scuba diving with a 20-foot-long fish with big teeth that weighs over 3,000 pounds is quite thrilling, but diving with five ...