Comet Detect (IMAGE) National Radio Astronomy Observatory Caption Approximate location of comet 67P/C-G when the Rosetta space probe discovered traces of methyl chloride -- the same molecule detected by ALMA around the IRAS 16293-2422 star-forming region -- along with other molecules. Credit B. Saxton (NRAO/AUI/NSF) 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.