Deep inside Petty Johns Cave, explorers moved through narrow tunnels where water filled large sections of the passage. Heavy rain had flooded much of the cave system, turning long corridors into dark ...

On a cold November day, Kiana Aran awoke to a surreal vision: Beyond a glass partition, she saw her mother, her cousin, and her grandmother—who had passed away years earlier—watching something on an ...

Hidden in the darkness of a remote limestone chamber, a cluster of ancient finger marks has forced archaeologists to confront how little they know about the people who once moved through these caves.

Jan Simek receives funding from the Archaeological Institute of America/National Endowment for the Humanities. On a cold winter’s day in 1980, a group of recreational cavers entered a narrow, wet ...

Caves are one of the most mysterious habitats on earth, a habitat that is dark, lacks sunlight, has a constant temperature, and food is limited. However, after millions of years, some animals have ...

Beneath rolling hills and quiet forests in Kentucky lies a hidden world so vast that scientists are still discovering new life inside it. Mammoth Cave National Park, home to the world’s longest known ...