Boron, a metalloid chemical element with properties intermediate between those of carbon and aluminum, has been identified for the first time on the Martian surface, indicating the potential for habitable groundwater in the ancient past. The highest concentration of boron measured on Mars is in this mineral vein, called ‘Catabola,’ examined with the ChemCam instrument on NASA’s Curiosity rover on Aug, 25, 2016, during Sol 1441 of the mission....
