Rick Mastracchio, NASA (IMAGE) NASA/Johnson Space Center Caption NASA astronaut Rick Mastracchio is observing the activities of the Ants In Space CSI-06 investigation aboard the International Space Station. Credit NASA Usage Restrictions NASA 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.