In a cave in southern Italy, archaeologists sifted through a muddy riverbed normally submerged by the turquoise waters of an underground river. A dull brown artifact caught their attention — and ...

One of the most impressive parts of the city is the Gravina canyon, where homes appear to spill down the cliffside.

In the southern Italian ... caves were gradually burrowed deeper and expanded into living spaces by peasants and artisans throughout the classical and medieval eras. Today, these underground ...

14,000-year-old footprints of at least two children, together with an adolescent and two adults, were identified some 400 meters deep in the Basura Cave in northern Italy. Elsewhere, at France’s ...

The umbrella leaks at places called sinkholes, from which surface water makes its way underground, eroding the limestone into a honeycomb of caverns. Mammoth, the world's longest known cave system ...

a team of scientists from the University of Benghazi and the Ibleo Center of Speleo-Hydrogeological Research in Italy found a blind cave shrimp known as Typhlocaris lethaea in the underground ...