Comet 67P (IMAGE) University of Colorado at Boulder Caption A new study led by Purdue and CU-Boulder researchers shows that comet splitting and reuniting may be fundamental to comet evolution. Credit ESA/Rosetta/MPS for OSIRIS Team MPS/UPD/LAM/IAA/SSO/INTA/UPM/DASP/IDA 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.