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 ...

Beneath a roaring waterfall lies a 200-foot deep siphon cave – and surviving it is no easy feat. In this video, we take on the challenge of exploring this dangerous underground system, where rushing ...

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 ...