Prehistoric Man in Mammoth Cave Some 2,000 years ago Indians went deep into the great cavern in Kentucky to mine gypsum, leaving behind them many traces of a society that was just beginning to ...

As home to the longest-known cave system in the world, Mammoth Cave National Park is ... of tunnels to witness walls covered in sparkling gypsum, forests of stalactites and stalagmites ...

Mammoth Cave is home to stalagmites rising from the passage floors, stalactites hanging from the ceiling, and columns where the stalagmites and stalactites meet. There are many calcite and gypsum ...

The surface of Mammoth Cave National Park encompasses about 80 square miles. No one knows how big the underside is. More than 365 miles of the five-level cave system have been mapped, and new ...

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 announced Monday. The identification was ...

Credit: NPS Illustration / Benji Paysnoe Researchers collecting fossils deep inside Kentucky's Mammoth Cave have uncovered the remains of a never-before-seen species — an absolutely tiny ancient ...

MAMMOTH CAVE, Ky. — A new-to-science species of ancient shark was recently discovered in Mammoth Cave National Park in Kentucky. The small shark named Clavusodens mcginnisi, or “McGinnis ...