Scott Lomax, Nottingham City Council's archaeologist, says the discovery of caves will "never end".

Deep in the heart of the Guadalupe Mountains in southern New Mexico, rock-eating microbes are at work. But their appetite is dainty compared to their voracious hunger millions of years ago, when they ...

Beneath the United States lies a surprising network of caves shaped over millions of years. Some feel almost otherworldly, with strange rock formations and the occasional glow from naturally occurring ...

Cave formation starts with a simple chemical reaction between water and carbon dioxide in the atmosphere, creating carbonic acid. This weak acid forms when rainwater combines with CO2, then ...

Caves in Cambodia reveal new, previously unknown species and shed light on hidden ecosystems at risk of disappearing ...