Rivers Raged On Mars Late Into Its History (image) University of Chicago Share Print E-Mail Caption A photo of a preserved river channel on Mars, taken by an orbiting satellite, with color overlaid to show different elevations (blue is low, yellow is high). Credit NASA/JPL/Univ. Arizona/UChicago Usage Restrictions With credit Share Print E-Mail 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.