Krubera Cave in the republic of Georgia is currently the deepest known cave, at 7,208 feet. But Dark Star, with so many areas still to survey, is a prime candidate to take over the title.

It is one which is in the mountains of the Abkhazia region. Veryovkina Cave, approximately 2212m deep, is the deepest cave in ...

Hundreds of carvings of prehistoric animals, and women, line a cave in southwest France. For 4 weeks a year researchers are ...

Don, 64, was a guide at Mammoth Cave for 10 years and spent 18 winters on the legendary expeditions that helped expand the map of Chevé in Oaxaca, Mexico, the second deepest cave in North America.

An expedition to the deepest known cave in the world suddenly goes wrong for Dick Willis.

Scientists have found ancient nail tooth shark fossils deep inside Mammoth Cave in Kentucky, revealing new information about ...

Mark Dickey, 40, had begun his expedition into Morca Sinkhole cave — the third-deepest cave in Turkey, with a depth of 4,186 feet — on Saturday when he experienced gastrointestinal bleeding ...