Imagine entering a cave and not realizing that beneath your feet lies a bottomless pit that could plunge you to great depths. Such was the Veryovkina Cave, the deepest-known cave on Earth, in the ...

Could Homo sapiens and an archaic and now-extinct species of early human have lived alongside each other on the Indonesian ...

The investigative minds at How to Survive examine why the world’s deepest cave proved fatal, including key cave hazards.

Why it's incredible: The cave is so deep, the world's tallest building could fit inside it. The Hranice Abyss — or "Hranická propast," in Czech — is the deepest known freshwater cave in the world.

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 ...

(via MinuteEarth) Krubera Cave, one of our planet’s deepest known caves, extends 2200 meters into the earth – that’s a depth of nearly six Empire State Buildings. Or at least, that's as far down as ...

Evidence that modern humans and an older hominin species used the same cave, probably during overlapping periods, has been ...

CEDAR FALLS, Iowa (KCRG) - A team of researchers at the University of Northern Iowa (UNI) is exploring some of the deepest caves in the country to learn more about life in extreme environments. The ...