World News
[Newsmaker] 'Strongest evidence' of water on Mars
Sept. 29, 2015
Scientists on Monday announced "the strongest evidence yet" of liquid water on Mars, raising the distant prospect of microscopic life on the Red Planet.Experts at NASA hailed the findings, made with the U.S. space agency's Mars Reconnaissance Orbiter, and said they were "revolutionizing our understanding" of Earth's neighbor."Mars is not the dry, arid planet we thought of in the past," Jim Green, NASA's planetary science director, told journalists in Washington. "Under certain circumstances, liq