MAMMOTH CAVE, Ky. — Though the federal shutdown has affected several national parks across America, Mammoth Cave National ...

Hidden River Cave in Horse Cave was closed to the public for decades until a local effort to clean it out began.

Beneath the surface of an otherwise unassuming National Park, a labyrinth showcases hundreds of millions of years of geologic history. Each shade of tan layered on the walls represents a different era ...

In light of these challenges, Friends of Mammoth Cave is making an appeal for public support. They stress that even modest ...

A rare bite into the past. The fossilized tooth of a newly discovered ancient shark species – dating back about 340 million years – has been unearthed in the world’s largest cave system, officials ...

Though cave tours at the Mammoth Cave National Park have been suspended, visitors can still access campgrounds and trails.

Experts say it had a distinct curved row of teeth, used to crush small sea creatures. The fossils found are estimated to be 355 million years old, back when Mammoth Cave was nothing but warm shallow ...

Mammoth Cave, the world's longest known cave system, stretches 426 miles under Kentucky. The cave's limestone began forming 330 million years ago when the region was submerged under an ocean. Visitors ...