Deep within a cave that was once submerged underwater, researchers discovered two new ancient shark species that lived around 325 million years ago. The shark fossils had been preserved in what is ...

MAMMOTH CAVE, Ky. (WBKO) – Fossils from a previously unknown species of shark have been unearthed at Mammoth Cave National Park, shedding new light on ancient marine life. The shark, classified ...

In the depths of the world's longest cave, researchers have uncovered the fossilized remains of a 340-million-year-old shark. This small predator, named Clavusodens mcginnisi, intrigues with its ...