In the depths of the world's longest cave, researchers have uncovered the fossilized remains of a 340-million-year-old shark.

The US National Park Service announced the identification of a new species of ancient shark, Clavusodens mcginnisi, ...

Steven Phillipe was doing some landscaping when he spotted something instantly recognizable but completely baffling.

Researchers nicknamed it the “chipmunk shark,” for its “chisel-like front teeth and crushing back teeth,” along with its small size, according to the news release. The teeth were collected ...

While fans of the movie and novel “Jaws” might envision an encounter with a 22-foot great white shark as being daunting, ...

Teeth from sharks and rays can be used to study their diet, but one of the biggest challenges in shark science is collecting ...

A shortfin mako shark head from our spirit collection. This species of shark has needle-like teeth. Long, sharp teeth are excellent at gripping small or medium-sized fish and squid. The bull shark has ...

An ongoing Paleontological Resource Inventory discovered the new species, called Clavusodens mcginnisi, while collecting ...

The small shark named Clavusodens mcginnisi ... The new species was identified by researches through fossil teeth collected from deep inside the Ste. Genevieve Formation within Mammoth Cave.