The Hranice Abyss — or "Hranická propast," in Czech — is the deepest known freshwater cave in the world. Geologists think it ...

More is known about the terrain of Mars than about what lies hidden beneath the Earth’s surface. Krubera Cave in the republic of Georgia is currently the deepest known cave, at 7,208 feet.

Beneath the island’s rainforest, explorers search for new discoveries deep within some of the Earth’s largest, longest, and wildest caves. At dusk, a swarm of bats disperses to hunt in the ...

Our drive to understand the evolutionary history of life on Earth leads us to search for clues deep underground. Cave divers are at the forefront of this research, helping us access some of the ...

The deepest known point in a cave is in Krubera Cave in Georgia ... the crust and another 21 million feet to the center of the Earth. Better get digging! Follow Tech Insider: On Facebook More ...

At least 100m deep, it could be an ideal place for humans ... “After all, life on Earth began in caves, so it makes sense that humans could live inside them on the Moon,” says Prof Carrer.

A US citizen trapped in Turkey's third deepest cave for more than a week has been pulled to safety, rescuers say. More than 150 people were involved in efforts to save caver Mark Dickey after he ...

Descent into a cave is about overcoming obstacles the manifestation ... his team of Moscow extreme cavers were discoverers of the deepest secrets of the planet They set a new world record the ...

Ron Allum is a pioneering cave diver and inventor who originally started ... The mission was nothing less than to build a submarine that could take James to the deepest-known point in the Earth’s ...