gluon saturation with increasing energy (IMAGE) DOE/Brookhaven National Laboratory Caption Members of the STAR collaboration report new data that indicate nuclei accelerated to very high energies at the Relativistic Heavy Ion Collider (RHIC) may be reaching a state where gluons are starting to saturate. Credit Brookhaven National Laboratory Usage Restrictions OK for use with stories about this research. License Original 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.