Deep in a hidden cave, they discovered something that should not exist, a 1000 foot elevator built into solid rock. It was not just old machinery, it looked like it had a purpose and a destination.

Deep beneath the hills of eastern Spain, scientists stepping into a lightless cavern have stumbled on a world that feels ...

For more than a century, people across the Ozarks have believed that untold wealth lies hidden beneath their feet. Spanish ...

Scientists uncover a ‘lost world’ inside a New Zealand cave, revealing fossils of extinct birds and frogs from 1 million years ago. The discovery offers rare insight into ancient ecosystems.

A faint hand stencil hidden on a cave wall in Indonesia has been dated to at least 67,800 years old—potentially making it the oldest known cave art yet studied. The discovery comes from a limestone ...