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 | 5:23 PM

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Oct 17
Q: 25% of Americans say they've spent about $500 a year taking care of this issue with their vehicle... A: Bird droppings
Oct 16
Q: The younger you are, the more likely you are to get this as a souvenir when you travel to an exotic location... A: A tattoo
Oct 15
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