Beneath the island’s rainforest, explorers search for new discoveries deep within some of the Earth’s largest, longest, and ...

Embark on a heart-pounding underground adventure as we descend into a remote caverns network that quickly takes a dangerous turn. Discover the raw intensity of extreme spelunking, tight squeeze ...

The discovery of more than 100 prehistoric structures in the Cova Dones cave in Spain makes it one of the most significant prehistoric underground sites in the world. Archaeologists found stalagmites ...

When a teenager went to a chalk cave to hunt for fossils, little did he know he would become part of a remarkable chapter in ...

Future astronauts on Mars might use caves or lava tubes as habitats. They could provide shelter from the harsh conditions on the surface, the intense radiation in particular. On March 1, 2023, ...

Right along the Ohio River in far southern Illinois sits a 55-foot-wide cave that has watched centuries of travelers come and go. A short set of stairs and a ...

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 ...

Cave City, the home to Mammoth Cave National Park, is giving visitors reason to stop and explore. Cave City in Barren County is home to Mammoth Cave National Park. Over the years, the city has gone ...

Local cavers detail the beauty of caves and what fuels their passion to keep exploring. The Central Indiana Grotto is a group of cavers who meet monthly in Indianapolis. Each year they host an event ...

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 ...

The underground expedition takes an intense turn in part three of our extreme cave exploring series. We are pushing deeper into the narrowest passages, navigating pitch-black caverns, and facing ...