The cenotes of Mexico are famous not only for their beauty, but for the archaeological finds they reveal.

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.

They went underground chasing a rumor about a lake and a hidden cave somewhere beyond it. What they actually found was even ...

The longest Croatian mountain range isn't the tallest, but it does stretch across two counties and is home to the country's deepest cave.

Few stories explain our current circumstances better than Plato’s allegory of the cave. Plato’s theory of forms would be, in today’s vernacular: “As above, so below.” In his allegory, the people live ...

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

Hidden in the hills of central Portugal is the entrance to Alviela Cave, one of the deepest underwater caves in Europe. Reaching the dive site is an adventure on its own. The team spends hours ...

MEXICO CITY — A prehistoric skeleton has been found in an intricate underwater cave system along Mexico’s Caribbean coast, an area that flooded at the end of the last ice age 8,000 years ago, ...

The island of Kastellorizo holds a natural wonder that remains one of the country’s best-kept secrets: the Blue Cave.