Deep inside a labyrinthine cave in southwestern France, ancient humans who lived around 30,000 years ago carved horses, ...

Anette Becher, a German caver and biologist, has found wood lice, fish, and millipedes inside the cave that are all white, which is common for creatures that live in the dark. And Dai Inh Vu ...

As an atheist, it feels strange to write this, but I think certain second-hand books may have a soul. If not a soul, at the very least a collective memory that they transfer from hand to hand over ...

Krubera Cave in the republic of Georgia is currently the deepest known cave, at 7,208 feet. But Dark Star, with so many areas still to survey, is a prime candidate to take over the title.

At a popular geological park outside Melbourne, Australia, tourists have the opportunity to try caving. More than 50 people ...

Others reside there permanently, living out their entire life cycles in the dark - but many have evolved special abilities to help them survive in their food- and light-limited habitats. In the depths ...