The first-ever sounds of sharks have been captured by researchers, according to a new study in the journal Royal Society Open ...

Scientists have recorded young sharks making sounds for the first time, surprising researchers and challenging old beliefs.

The clicking behaviour has been described in the new study as the first documented case of a shark deliberately making sound ...

A tiny shark species dating back hundreds of millions of years has been identified at Mammoth Cave National Park in Kentucky, ...

The jaws of a Port Jackson shark. These sharks have small, grasping teeth at the front of the mouth and flat, crushing teeth at the back. Some sharks have teeth that are flat and very strong. They are ...

"We have deer and bobcats in the area so sometimes you might find something, but this was a large flat serrated tooth ... to find small fossils or even shark teeth in gravel from Home Depot ...

This “chipmunk shark” packed quite a punch ... of its name comes from the shape of its back teeth, which resemble old iron nails with flat heads and long bases. According to Toomey ...

Clavusodens mcginnisi measured between 3 and 4 inches (8 to 10 cm), earning it the nickname "chipmunk shark." Its posterior teeth, flat and elongated, resembled rusty nails, while its anterior teeth ...

A new species of shark has been discovered a Mammoth Cave National Park, where fossil records have revealed more than 70 ...

Because of the perceived similarities between the megalodon and the great white, with the two having similar teeth structures ... lemon sharks (Negaprion brevirostris) are more flat and elongated.