In the brutal world of deep caves, bacteria live in a miniature world of terror. The weapons they have evolved can defeat ...

Bushman's Hole may seem unassuming on the surface, but this cave in South Africa's Kalahari is one of the world's deepest freshwater cave systems, attracting seasoned cave divers from around the globe ...

A new, record-breaking blue hole has been discovered in Chetumal Bay off the coast of Mexico’s Yucatán Peninsula, plunging deeper than any previously known blue hole on Earth. The Taam Ja’ Blue Hole, ...

Add Yahoo as a preferred source to see more of our stories on Google. Texas Game Wardens A researcher was rescued from one of Texas' deepest known caves, according to the Texas Game Wardens. In a ...