Hidden beneath the monotonous desert landscape lie limestone karsts. These formations have been hollowed out by rainfall over several millennia to create huge and little-understood cave systems. The ...

The rock formations in caves are chemistry fossils — that glow. These rocks are made of calcite, a form of calcium carbonate. Impurities trapped in calcite cause the mineral to fluoresce different ...

Traverse 330 steps on the way to such distinctive chambers as the “Devil’s Kitchen” and the “Crystal Vault.” Wild caving ...

Although many cave microbiologists usually work within half a mile of an entrance, my students and I can reach areas that are days away from an entrance. These deep caves are like a big, underground ...

Fluorescent caves on Earth may hold the secrets to survival necessary for scientists to detect life elsewhere in the universe.

The caves are part of the El Choco National Park ... For a $2 entrance fee, it's worth taking a break from the beach for an hour of spelunking. Story and editing by Adam Banicki More from Travel ...

These formations have been hollowed out by rainfall over several millennia to create huge and little-understood cave systems. The Yalata Bush Blitz expedition, in 2021, was an effort to document ...