Carbon dioxide rivers? Ancient Mars’ liquid may not all have been water Scientists are rethinking a long-held belief that the liquid responsible for shaping Mars' surface must have been water. Astrobitica December 11, 2024 (Last updated: December 11, 2024) 1 minute read Scientists are rethinking a long-held belief that the liquid responsible for shaping Mars’ surface must have been water. About the Author Astrobitica Administrator Visit Website View All Posts Post navigation Previous: NASA sees progress in funding key heliophysics missionNext: China set to launch first Guowang megaconstellation satellites on Long March 5B