Could there be water on Mars? (VIDEO) Penn State This video is under embargo. Please login to access this video. Caption Water containing hydrohematite on Earth and on Mars Credit College of Earth and Mineral Sciences, Penn State Usage Restrictions non commercial use only License Original 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.