This incredible submerged cave network is the longest of its kind in the world and plays a vital role in the region.

When you buy through links on our articles, Future and its syndication partners may earn a commission. McGinnis' nail tooth (Clavusodens mcginnisi) depicted hunting a crustation in a reef-like ...

Experience the incredible Mammoth Cave in Kentucky, officially the world’s longest cave system with over 426 miles explored.

The largest cave in the world can apparently, “hold an entire block of 40-story skyscrapers within its walls.” And now a drone is offering a rare glimpse into this natural wonder in Vietnam, according ...

Sulphur Cave, a cave on the border of Greece and Albania, is home to what scientists believe might be the largest spider web ever. The post Scientists Uncover World’s Largest Spider Web in Sulphur ...

Serban Sarbu, a cave scientist, thought he’d seen everything — until he entered a pitch-black cave along the Albania–Greece ...

Learn more about how scientists uncovered an unlikely community of arachnids in Europe’s Sulfur Cave and why these spiders ...

Sulfur caves are among the most extreme habitats on Earth. They are completely dark and filled with hydrogen sulfide gas, which is toxic to most life-forms. Inside, species’ survival depends on ...

Scientists have found the world's largest spider web, which is home to 512 species of spider, in a rare, first-of-its-kind discovery in an underground cave.

The behavior, which had never been observed before, stunned scientists as, typically, the larger house spider would prey on ...

A rare bite into the past. The fossilized tooth of a newly discovered ancient shark species – dating back about 340 million years – has been unearthed in the world’s largest cave system, officials ...