Until now, scientists believed that Mars’ skylights – pits in the surface of mars – were formed by volcanic activity. But ...

Chinese scientists have identified eight potential karst caves on Mars, formed by water, marking a significant breakthrough in astrobiology.

Mars has never looked more like a planet built for hiding secrets. A cluster of eight vast, water-carved caves appears almost engineered to shield fragile chemistry, or even biology, from the brutal ...

Student Jacqueline Heggen showing off glowing formations within Wind Cave. (Joshua Sebree via SWNS) By Stephen Beech Fluorescent caves deep below America show how alien life could exist on one of ...