Cave exploration and cave diving are two absurd activities that awaken claustrophobia in almost everyone, except, apparently, cave divers. This widely held belief that the hobby is insane has led to a ...

Cave diving combines the thrill of scuba diving and with the excitement of exploring a cave; it’s a challenging activity even for experienced explorers. At these four sites — some of the most popular ...

New perk: Easily find new routes and hidden gems, upcoming running events, and more near you. Your weekly Local Running Newsletter has everything you need to lace up! Subscribe today. I am cold and ...

Divers mapping and exploring Missouri’s Roaring River Spring reached 344 feet deep during a recent dive. Screengrab/Roaring River The Abyss on YouTube Until recently, “the bottom” of a Missouri spring ...

Correction: A previous version of this article referred to the non-profit organization Karst Underwater Research as "Karst Underground Research" in one instance. This has been corrected. A group of ...

Brett Hemphill, a noted diver, died while exploring Phantom Springs Cave in Texas, officials say. Screengrab from Facebook post by Karst Underwater Research. A renowned diver recently died while ...

When Natalie Gibb emerges from one of her cave dives on the southeast coast of Mexico, the 41-year-old woman could easily be mistaken for a swamp monster. “I’m dripping with microbial goo and reeking ...

A well-known record-setting cave diver with decades of experience died in Texas while exploring one of the deepest underwater cave systems in the nation. Brett Hemphill, 56, was on an expedition in ...