Shark teeth from museum jaws can now reveal what sharks ate decades ago. New research shows preservation chemicals don’t ...

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 shark” by researchers who found its fossils in Kentucky.

Megalodon was likely a long, streamlined predator, not a bulky giant. Scientists compared its bones with modern sharks.

The fossilized remains of a newly discovered ancient shark species found in the depths of Kentucky’s Mammoth Cave National Park reveal not the sharp, pointy gnashers you’d associate with Hollywood’s ...

Clavusodens mcginnisi, or McGinnis's nail-tooth, was found fossilized in Mammoth Cave, the world's longest cave system. The fossilized teeth were discovered in the Ste. Genevieve Formation, a layer of ...

The giant extinct shark species known as the megalodon has captured the interest of scientists and the general public alike, ...

New research reignites debate over the size of this extinct giant, also suggesting it looked unlike a great white ...

This “chipmunk shark” packed quite a punch with its strange set of teeth. Its diet varied from ... “We’ve ended up finding at least 70 different kinds of shark at Mammoth Cave from a ...

Megalodon have always been compared to the modern great white shark. Scientists have found a reason why it shouldn't be.