A narrow gap in Gibraltar’s limestone can open into a question that refuses to stay small: how late did Neanderthals really ...

Slovenia is home to some of the most amazing limestone caves in the world, which are a treat for nature lovers and adventure ...

Cotard, a small limestone cave that has been hidden for tens of thousands of years. The Loire Valley is famous for its ...

Cambodia's Ministry of Environment, in collaboration with Fauna & Flora-Cambodia Programme, on Monday (Jan 12) released ...

MEXICO CITY (AP) — Activists in Mexico have published photos of steel and cement pilings from a government project that were driven directly through the roofs of sensitive limestone caves on the ...

Limestone caves are among Cambodia’s most under-appreciated natural treasures. Hidden within dramatic karst landscapes, they ...

Let’s say you’re on the way to Needles. Alright, you’re probably not on your way to Needles. But say you’re headed to Las Vegas or Lake Havasu, and you’re looking for a fascinating stop along the way.

TUCSON, Ariz. — For hundreds of thousand of years the caves in the limestone foothills of the Whetstone Mountains remained undiscovered. That all changed in November of 1974. Randy Tufts and his ...