This extraordinary discovery not only redefines our understanding of salt caves but also adds a geological wonder to Israel’s ...

Tickets for guided tours of the marble cave will go on sale at 10 a.m. on March 31. The cave features stunning stalactites ...

Crystal Cave, the ancient marble cavern at the end of a steep half-mile hike in Sequoia National Park, is slated to reopen to ...

Takamatsu Gushiken turns on a headlamp and enters a cave buried in Okinawa's jungle. He gently runs his fingers through the gravel until two pieces of bone emerge. These are from the skulls, he ...

The discovery of a golden scaleless fish in China is helping scientists understand how animals evolved to live in caves.