A shark expert, whose own curiosity about these fascinating fish was sparked by the movie "Jaws," explains some of their ...

Shark teeth have dentin, like human teeth, according to the Dental Center of Indiana.This is a soft tissue-like material found inside teeth. Similar to humans, sharks also have hard enamel ...

Whether they cut human or animal flesh, these shark teeth from Sulawesi could provide the first evidence that a distinctive class of weaponry in the Asia-Pacific region has been around much ...

Most human-shark interactions end without incident, ... Bull shark teeth, especially fossilized teeth, are also characterized by a dense root at the point where the tooth connects to the jaw.

A shark no larger than a human hand that stalked the ancient sea floor 340 million years ago has been dubbed the “chipmunk shark” by researchers who found its fossils in Kentucky.