AI for planetary mapping (IMAGE) Jacobs University Bremen gGmbH Caption Examples of Martian pit landforms possibly connected to caves. Credit NASA/JPL-Caltech/UArizona/PDS Geosciences Node's Orbital Data Explorer for Mars Data Access Usage Restrictions NASA/JPL-Caltech/UArizona/PDS Geosciences Node's Orbital Data Explorer for Mars Data Access 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.