A recent study spotted water carved cave openings in Mars Hebrus Valles region, hinting at sheltered places where signs of ancient microbes could survive.

This incredible submerged cave network is the longest of its kind in the world and plays a vital role in the region.

A recent discovery on Mars has revealed something truly fascinating: massive water-carved caves that might just be hiding ...

The discovery of the skylights and their associated caves was made using archival data from three NASA missions, showing how ...

International research and highly-specialized divers are bringing an underground, underwater world to the surface ...

People might not believe it if they haven't been to Missouri, but the state, which is also known as the Cave State, is home to over 7,000 caves offering a plethora of breathtaking subterranean ...

Tracy Wolfe followed a narrow sidewalk as it snaked into the looming maw of Lechuguilla Cave. Inside, Wolfe and his wife strolled through the underground, leaving the hot desert air behind them as ...

A single mathematical number determines the shape and size of stalagmites, thus solving a mystery hidden in caves.

Bowling Green hides Kentucky’s only underground boat ride, a serene glide along a subterranean river that flows through cathedral-like chambers. Lost River Cave blends easy access with genuine ...