Potentially life-giving water still flows across the ancient surface of Mars from time to time, NASA scientists said Monday in revealing a potential breakthrough in both the search for life beyond Earth and human hopes to one day travel there.

Does water on Mars mean there’s hope for life?
Sep 28, 2015 | 4:23 PM

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Over a third of adults say in a recent survey that they know how their day will be within the first 10 minutes of the start of it. True for you?
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