A breathtaking geological marvel has been dubbed the "best kept and most breathtaking secret on the planet" - though attempting to visit could prove deadly. The forbidding subterranean cavern, known ...

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

Scientists discovered fossilized reptile skin in a cave, revealing the oldest known example, dating back nearly 300 million ...

Hidden inside Vietnam’s Phong Nha-Ke Bang National Park is Son Doong, the largest cave on Earth. It’s so vast that a Boeing 747 could fit through its chambers. Inside, jungles grow beneath openings in ...

Paul Wilcox descends into Devil’s Canopy Cave on Prince of Wales Island. An unlikely discovery in a cave on Prince of Wales Island could help scientists understand Earth’s climate history. A small ...

Introduction : a history of Mesoamerican cave interpretation / James E. Brady, Keith M. Prufer -- Rites of passage and other ceremonies in caves / Doris Heyden -- The cave-pyramid complex among the ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...