Two decades later, I organized a series of expeditions to investigate new deep caves, using dye traces in cave streams to probe Arabika’s potential depth. In 2001 a team led by Ukrainian Yuri ...

“The deep sea, outer space, and caves: Those are the only frontiers left,” says Coons, who does his exploring in a lightweight helmet with a small flashlight duct-taped to the brim.

Costa Rica's Alajuela Province is home to the deadly 'Cave of Death,' where carbon dioxide continuously seeps, creating an ...

An ancient anonymous text explains: "It is a very deep cave made by the Inca kings, which crosses the whole city and has its entrance at the fortress of Sacsayhuamán, and descends from the high ...

EXCLUSIVE: International documentary sales, distribution, and production company Dogwoof has acquired worldwide sales rights ...