‘Don’t worry, you can’t get lost down here ... beneath the Earth’s surface. Krubera Cave in the republic of Georgia is currently the deepest known cave, at 7,208 feet.

Three cavers—Ilja Lapa, Emil Vash, and Igor Ischenko—posed with their gear bags on the way down. Probing a series of “windows” in the walls of the deepest part of the cave, the team was ...

The cave network was much larger than the old maps reflected, with tantalizing passageways high overhead that would require ice-climbing gear to explore. Even as he jotted down dimensions, he started ...

The skeleton of a fox that lived about 26,000 years ago was recovered from deep within a cave in the ... “getting fragile bones out of the cave and down a mountain.” Roxy was about a half ...