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 ...

Deep in a cave near the town of Toirano in northern Italy, archaeologists have uncovered ancient human hand and footprints ...

A moon exploration simulation with robots was conducted in a Jingbo Lake volcanic lava cave in China. Research indicates that ...

In 1991, a Vietnamese man named Hồ Khanh was walking through the jungle near the Laos border while searching for agarwood, a resin used in perfume and incense. During a storm, he took shelter near 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 ...

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 ...

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 ...

For outdoor enthusiasts, it can sometimes feel like everything has been done; every trail has been hiked, every mountain has been climbed. But what about diving below the surface? If you enjoy ...