Don’t count the search for life on Mars out just yet. A recent study in The Astrophysical Journal Letters reports eight dark openings in a region called Hebrus Valles that look like cave entrances, ...

Recent analysis suggests that Mars may be home to water-carved caves, potentially formed by ancient water flows. These subsurface structures could have provided stable environments, shielded from ...

Caves carved by water that once flowed beneath Mars’s surface could have been ideal for life to thrive, if it once existed on the Red Planet, and they might still preserve traces of it today. Mars is ...