Astrobiology 10.4 (IMAGE) Mary Ann Liebert, Inc./Genetic Engineering News Caption Astrobiology published in print and online 10 times a year. Credit © Mary Ann Liebert Inc., publishers 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.