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 ...

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 ...

HUDSON, Fla. (AP) — Divers call north and central Florida "cave country" — for the dozens of springs and sinkholes that lead to networks of caverns and twisting tunnels, some hundreds of feet deep and ...

A new analysis of a group of all-women extreme divers off the coast of Korea has uncovered genetic differences that could help them survive the intense physiological stresses of free-diving—and could ...

On March 14, 1975, 22-year-old Californian woman Donna Tobias graduated from the US Navy Second Class Dive School to become the ...