caves

After falling ill three miles underground, a nine hour rescue was launched to free a Vanderbilt student from a sprawling cave system.

Cave Man

A groundbreaking new study of microbes underground is challenging everything we thought we knew about extreme environments.

Rescuers are working to extract Mark Dickey, a 40 year-old American and experienced caver, who fell ill with gastrointestinal bleeding.

You'd think being trapped in a cave for over a year would be a nightmare, but Spanish mountaineer Beatriz Flamini says it was a mighty good time.

Thought it's Subterranean Challenge, DARPA is asking teams of roboticists to create autonomous robots that can navigate underground environments.