Europa Cross-Section (IMAGE) University of Washington Caption The left panel’s gray and blue layers show the deep, ice-covered ocean on Europa, a moon of Jupiter that could host extraterrestrial life. This ocean is thought to be much deeper than oceans on Earth. New research hints at where liquid water might be found in these environments. Credit Image by NASA/JPL-Caltech, with modifications by Baptiste Journaux Usage Restrictions No restrictions. License Public Domain 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.