Step into an underground lava cave hike in Arizona, where cool air, dark tunnels, and rugged volcanic walls turn a simple walk into a bucket list adventure.

Email notifications are only sent once a day, and only if there are new matching items. To find out more information about caving and local organizations near you, visit the National Speleological ...

On Sunday’s episode of The Excerpt podcast: Hidden beneath Earth’s surface are caverns and pathways that hold the secrets of our planet’s very beginnings. Even after decades of exploration, there are ...

Beneath the surface of an otherwise unassuming National Park, a labyrinth showcases hundreds of millions of years of geologic history. Each shade of tan layered on the walls represents a different era ...

The Cave (2005) is an American survival-thriller drama film. A group of adept cave divers and scientists get badly caught while exploring a cave in Romania. When deadly creatures attack them, this ...

Mars skylights like this could be the mouths of caves formed by lava tubes. NASA wants to explore them. Credit: NASA / JPL-Caltech / Univ. of Arizona Ever since scientists have had an orbiter's view ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. The 1902 silent film Le voyage dans la Lune (A Trip to the Moon ...

Caving in India: Ultimate Guide to Cave Exploration and Spelunking Adventures: By Navya Khurana Going for caving in India is akin to stepping into a secret world carved by nature and time. The thrill ...