Astrobiology (IMAGE) Brown University Caption New research showing that the subsurface of Mars is potentially habitable will be featured on the cover of the journal Astrobiology. Credit Astrobiology/NASA/JPL/University of Arizona 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.