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

Inside the world’s deepest cave, 7,000 feet below the surface, a sudden flood turns an epic expedition into a desperate fight ...

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 ...

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 ...

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.

(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 ...

In this episode of Crossroads, host Dalton Godbey travels to Corydon — Indiana’s very first state capital — where history runs deep above and below ground. The journey starts with a walking tour of ...

Archaeologists excavating a paleolithic cave site in Galilee, Israel, have found evidence that a deep-cave compound at the site may have been used for ritualistic gatherings, according to a new paper ...