For years, scientists have known that Mars has ice. More elusive, though, is figuring out how much of that water is actually in liquid form. Now, NASA scientists .\r
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NASA has monumental news: They say theyve found direct evidence that water is flowing on the Martian surface. Read more here: .\r
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UNITED STATES OF AMERICA - SEPTEMBER 28: NASA scientists have found compelling evidence that liquid water; life-giving, gloriously wet H 20, exists on .\r
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NASA says it has found evidence of flowing water on Mars with exciting implications for the future search for life on the Red Planet. Subscribe to BBC News .