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

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

Megalodon may have been up to 80 feet long, but the colossal extinct shark was also probably thinner than scientists ...

With his magnificent underwater images, Gerardo del Villar wants to rehabilitate the reputation of the ocean’s great ...

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

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

Among seashells, shark teeth, and sea creatures, collectors can add sea glass to the list of items to search for along Florida's shores. Here's where ...

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

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

It was identified from a collection of small fossilized teeth found within the Ste. Genevieve Formation, a layer of limestone ...

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 ...

A rendering of Clavusodens mcginnisi, or “McGinnis’ nail tooth,” an ancient shark that stalked the ocean floor 340 million years ago. Rendering courtesy of the National Park Service A shark ...