An Icy World (image) American Geophysical Union Share Print E-Mail Caption Previous studies had hinted that something like subduction may have been happening on Jupiter's moon, Europa. A new study provides geophysical evidence that it could indeed be happening on the moon's icy shell. Credit NASA/JPL-Caltech/SETI Institute Usage Restrictions Usage allowed with proper 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.