Jim and Grace Cramond own the historic Jordan Caves. “Every which way you turn, you find a new gem with this place,” Grace ...

Inca sites, lies a granite cave carved with astonishing precision — walls smoothed, angles exact, and surfaces cut as if by machinery. Archaeologists still debate how such work was achieved without ...

Explorers in southern Spain have linked two deep caves into one “supercave system” about 16.4 miles long. The connection sits ...

Climate history recorded in a calcite deposit in a southern Nevada cave indicates that the hot, arid southwestern United ...

Had one hoped to leave a time capsule for today’s Bostonians in the Permian period 250 million years ago, much less the Pliocene epoch four million years ago , they would have been completely, utterly ...

A ridiculous but instructive thought experiment involving deep time, plate tectonics, erosion and the slow death of the sun ...

When Tom Sawyer Island closes at the Magic Kingdom this weekend, Disney World's going to lose most of its cool fake caves.

Bowling Green hides Kentucky’s only underground boat ride, a serene glide along a subterranean river that flows through cathedral-like chambers. Lost River Cave blends easy access with genuine ...

The 165-foot rope rappel – California’s longest cave rappel – allows adventure seekers to descend from the top of the main chamber directly to the cavern floor. Dangling in the middle of this vast ...

Deep beneath the Balkans, a massive sulfur-fed cave hosts 111,000 spiders in one shared web, defying typical spider behavior.

If there is, or ever has been, life on Mars, the chances are it would exist in caves protected from the severe dust storms, ...

Gamma Ray Spectrometer measurements from Mars Odyssey added another hint: Elevated “water-equivalent hydrogen” in the same ...