After eons underground, it was discovered by accident. Within a couple of decades, it was already under threat.

In his new National Geographic series Pole to Pole, the actor ventures deep into the Amazon in search of creatures whose ...

A cave in Gibraltar remained sealed for 40,000 years - but when archaeologists opened it, they found evidence suggesting ...

Fossilized bones and teeth dating to 773,000 years ago unearthed in a Moroccan cave are providing a deeper understanding of ...

Cotard, a small limestone cave that has been hidden for tens of thousands of years. The Loire Valley is famous for its ...

Bracken Cave is home to the largest bat colony, consisting of 20 million bats. Discover why bat have lived there for more ...

A 26-ft (8-m) deep excavation in Indonesia has revealed that humans and a hominin species that pre-dates humans used the same ...