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 ...

Watch as divers locate fossils in blue holes—from crocodiles, owls, tortoises, birds, and more—species that are now extinct in the Bahamas and some of which have never been recorded in science before.

If one thing’s clear from Jill Heinerth’s breathtaking new memoir on her life as a professional cave diver, it’s that this unusual career path requires serious mettle. Self portrait under the tannic ...

MIAMI, FL (AUGUST 26, 2010) -- The cover story of the most recent issue of National Geographic Magazine (August 2010) features a University of Miami (UM) led expedition to the underwater caves of the ...

How to Survive shares survival lessons from the Plura cave diving disaster and how to avoid similar tragedies. They cover equipment, communication, and decision-making under pressure in extreme ...

A Texas A&M University at Galveston professor is part of a diving team that descended 462 feet in a West Texas cave, believed to be the deepest underwater cave in the United States. Tom Iliffe, ...

To me, shark cage diving qualifies as an extreme adventure. The thought of being in the water, protected by a cage but still surrounded by sharks, is about as attractive as being a contestant on "Fear ...

The world under water holds many clues to the history and science of our planet—from a record of the Earth's climate to life forms that develop in extreme conditions, from evidence of how life first ...