Deep underground, flowing water leads explorers into a cave shaped by constant motion and time. The waterfall inside Nash Cave reveals narrow passages, slick rock, and areas rarely documented.

Explorers searching for a cave rumored to run for miles descended into a massive underground system filled with cold air and deep chambers. After navigating pits, breakdown piles, and underground ...

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 ...

MILAN (AP) — A major rescue operation was underway Monday in a cave northeast of the Italian city of Bergamo to free a woman who was injured in a fall and became trapped while exploring with eight ...