I set out in the rain searching for a five-mile cave known locally as The Devil's Hole, expecting nothing more than a small ...

Climate history recorded in a calcite deposit in a southern Nevada cave indicates that the hot, arid southwestern United States experienced significant shifts in temperature and rainfall over the last ...

Deep inside a maze of canyon passages, the team follows 1800s signatures toward a perfect circular shaft known as the Devil’s Hole. The camera captures every moment as the floor begins to crumble, the ...