Mars/ChemCam (IMAGE) DOE/Los Alamos National Laboratory Caption A selfie of the NASA Curiosity rover at the Murray Buttes in Gale Crater, Mars, a location where boron was found in light-toned calcium sulfate veins. Credit CREDIT: NASA/JPL-Caltech/MSSS 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.