Life on Mars (2 of 3) (IMAGE) University of Cincinnati Caption UC geologists stand near one of Yellowstone National Park's famed hot springs in its geyser basin. UC hopes to find an elemental marker that could help NASA identify life on Mars. Credit Annie Gangidine Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.