A team of international scientists has found that the water on Mars isn't just liquid, it's boiling. WSJ's Monika Auger reports. Photo: Marion Masse/NASA/JPL-Caltech/Univ. of Arizona Life on the Red Planet is possible, researchers say. Picture: AFP/ISRO IT WAS 2009 when Joseph Levy began poring over images from the surface of the Martian planet. He...