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

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 ...

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

Paleontologists at Mammoth Cave National Park have unearthed an ancient shark species previously unknown to science.

Deep within Mammoth Cave, the world’s longest cave system, paleontologists have uncovered the remains of a never-before-seen ...

A colossal sea organism, towering over 100 feet, has fascinated marine experts after being accidentally stumbled across in Pacific waters near Malaulalo, in the Solomon Islands. But this isn't a ...