Moon Water (IMAGE) Brown University Caption Brown University scientists led by Carle Pieters have discovered that the moon has distinct signatures of water. The discovery, published in Science, came from data from the Moon Mineralogy Mapper (M3), a NASA instrument aboard the Indian spacecraft Chandrayaan-1. Pieters is the principal investigator of the M3 instrument and the lead author of the Science paper. Credit Not available 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.