Shark sex is a bitey business, with males grasping females with their teeth during the act. The resulting wounds are helping scientists to figure out when and where sharks are doing the deed.

Like human teeth, shark chompers contain collagen ... When the researchers zeroed in on one species—the sand tiger shark—they found that it has moved up the food chain over time to become ...

A RETIRED dentist has fought off a savage tiger shark by jabbing it in the eye after witnessing the beast maul another man to death in front of him. Peppino Fappani, 69, was swimming at the five ...

Sand tiger sharks, also known as gray nurse sharks, have a deceivingly ferocious look. They are large-bodied and display a mouthful of sharp teeth that ... are the only shark known to come to ...

Facts are never as salient as feelings. With jaws and teeth designed to crush and shear hard objects such as turtle shells, a tiger shark faced with a foreign object—like a camera—can afford ...

Sharks have ruled the Earth’s oceans for 400 million years. Recent research on fossil shark teeth has discovered an ...

The tiger shark that bit him was estimated to be 14 ... However, their large size, agility, and sharp teeth mean that they could potentially pose a threat if provoked or if they mistake a human ...

bringing an end to shark trophy hunting charters, taking baby sharks for the aquarium pet trade and the intentional killing or mutilation of sharks for their teeth, jaws or other parts.