For years, the oldest widely accepted cave art came from Spain, where mineral crusts dated paintings to more than 64,000 years. That work also relied on uranium decay in crusts, so it offered a ...

A stencilled outline of a hand found on the Indonesian island of Sulawesi is the world's oldest known cave painting, researchers say.

There’s a cave in Illinois that watches the Ohio River go by. It’s big, strange, and way more memorable than expected.

The Movile Cave, located just a few miles west of the Black Sea in Romania, is one of the most remarkable and isolated ecosystems on Earth. Sealed off from the outside world for about 5.5 million ...

There is one very real subterranean attraction underneath State Street, though: a salt cave, said to be the largest of its kind in North America. Santa Barbara’s salt cave is not a natural phenomenon.

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 ...