In the brutal world of deep caves, bacteria live in a miniature world of terror. The weapons they have evolved can defeat antibiotics – but now they are inspiring powerful new drugs.

Deep beneath the Balkans, a massive sulfur-fed cave hosts a colony of 111,000 spiders in one shared web, defying typical ...

Deep inside a massive cave plunging more than 500 feet below the surface, explorers made an unexpected discovery. Ancient pearls were found preserved in the darkness, far from any light or human ...

Researchers have long considered these cave systems valuable archaeological archives. The latest discovery is part of a ...

A group of researchers conducted a comprehensive survey of marine litter inside coastal caves on the island of Cyprus. "We found debris in every cave studied, with some containing abundances of up to ...

The National Park Service has announced another ancient shark discovery at Mammoth Cave in Kentucky. The latest find, named Macadens olsoni, had a unique curved row of teeth and lived around 340 ...

After more than six months of preparation and 14 hours underground, a group of cavers has uncovered Australia's deepest known cave, at a depth of 401 metres. The new cave, dubbed "Delta Variant", is ...