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

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

A shark no larger than a human hand that stalked the ancient sea floor 340 million years ago has been dubbed the “chipmunk ...

Scientists have found ancient nail tooth shark fossils deep inside Mammoth Cave in Kentucky, revealing new information about ...

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

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

The dataset included over 5,300 sightings of six shark species, including hammerhead sharks, tiger sharks and bull sharks, between 2013 and 2019 in the Protea Banks reef of South Africa.

Skeletal reconstruction and tooth arrangement of Netsepoye from the Late Mississippian of Montana. Teeth are arranged as if ...