In the ongoing effort to establish a permanent lunar base where humans can live and work on the moon, scientists have ...

An Italian-led research team reported on Monday, July 15, that they found a sizable underground cave on the moon which has the right conditions for humans to potentially build a base and thrive in ...

Hidden beneath the Guadalupe Mountains, these caverns are a natural marvel, with over 119 caves formed from limestone. The ...

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 ...