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

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 ...

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 ...

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