Mammoth Cave National Park, home to the world’s longest known cave system, stretches for more than 680 kilometres, and ...

Divers in Mexico's Yucatan Peninsula say they have discovered the world's largest underwater cave. Underwater archaeologists discovered last week that the cave system known as Sac Actun, located near ...

Scientists working in an underground cavern between Greece and Albania have discovered the world’s largest spider web, according to a report in Subterranean Biology, and it's still crawling with ...

The web houses a colony of approximately 110,000 spiders from two different species Scientists have discovered the world’s largest spider web in an underwater cave on the border of Greece and Albania.

The world’s longest underwater cave system now stretches an astonishing 524 Kilometers, a hidden labyrinth that, in raw ...

What is thought to be the world's largest-known spider's web, housing tens of thousands of arachnids, has been discovered in a cave on the Albanian-Greek border. After researchers published their ...

Arachnophobes look away now. Deep inside a pitch-black cave straddling the Albanian-Greek border, researchers have uncovered what may be the largest spider web ever recorded—teeming with more than 111 ...