On this episode, we hear how a team of researchers at the University of Northern Iowa is exploring the deepest caves in the U.S. with NASA funding. This could inform the search for life on other ...

Deep underground, flowing water leads explorers into a cave shaped by constant motion and time. The waterfall inside Nash Cave reveals narrow passages, slick rock, and areas rarely documented.

Chinese astronauts, known as taikonauts, were sent into a large limestone cave system in a remote area of China.

Organized and led by the China Astronaut Research and Training Center (CARTC), the nearly month-long training mission covered more than 10 subjects, including environmental monitoring, cave mapping, ...

I'm a severe claustrophobe. After getting trapped in a slide in my local McDonald's at five years old, I swore off all tight and dark spaces forever. So it's not entirely surprising that I couldn't ...

The Hranicka Abyss is at least 1,325 feet deep, and likely goes down further. — -- A team of explorers believe they have discovered the deepest known underwater cavern the world in eastern Czech ...

Join us as we descend into the legendary 125-foot Warm Up Pit in Ellison’s Cave, one of Georgia’s most iconic vertical caving spots. Located in the heart of Pigeon Mountain, this technical drop offers ...