Sugar Delivered to Earth from Space (IMAGE) Tohoku University Caption This is the molecular structure of ribose and Murchison meteorite. Ribose and other sugars are found from this meteorite in this study Credit Yoshihiro Furukawa Usage Restrictions Credit: Yoshihiro Furukawa 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.