The cave, located in the separatist region of Abkhazia ... Four weeks later…We’d barely returned home before a new team from our Call of the Abyss project set out to surpass the record ...

Beneath the Earth’s surface lies a world so extreme and isolated that it seems more like an alien planet than part of our own. Veryovkina Cave, the deepest known cave on Earth, plunges a staggering 7, ...

By following a column of steam down into the limestone, the team was able to locate “an abyss over 100 meters deep,” according to Marek Audy, the head of the expedition. They named the cave Atmos.

saw it was rising from an abyss more than 330 feet (100 m) deep, Audy said. The researchers descended into the pit and found an extensive system of caves, including some with thermal springs and ...

Now, three years after the initial discovery, a second expedition into the cave system has found that not only is the abyss filled with hot water, but it’s the largest underground thermal lake ...

Researchers were able to confirm their findings four years after they first made the groundbreaking discovery.

On inspection, steam was found to emanate from an abyss measuring 100 meters deep (330ft). A vast network of caves were discovered by descending into the pit, some of which contained thermal ...