Rovers Find More Evidence That Mars Was Once Home to Water
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More evidence of past water on Mars may help answer the questions &quot;How wet?&quot; and &quot;How long?&quot; At a news conference here at the fall meeting of the American Geophysical
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Spirit, one of the two rovers exploring Mars, has discovered the first rock on the planet that scientists say could have formed only in water - - but whether the water was flowing, or lay like a shallow sea that came and went, remains unknown, the mission
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Scientists analysing data from the Mars exploration Rover missions believe water was involved in the formation of rocks on the planet.
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LOS ANGELES   The twin Mars rovers have found a wonderland of weird rocks and enticing dunes along with more evidence the Red Planet once had water, NASA scientists said Wednesday.
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THE Mars rover Opportunity has found new evidence of past existence of water on the Red Planet, NASA said today. Opportunity keeps finding new clues of past water as it continues probing Mars, said mission
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NASA&#39;s older Martian robotic rover, Spirit, has found evidence that underground water changed a major rock formation called the Columbia Hills, scientists said Thursday.
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LOS ANGELES - NASA&#39;s Spirit rover has found more evidence of past water on the hills of Mars, while its twin, Opportunity, has observed a field of dunes inside a crater.
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After studying thousands of images from Mars, scientists now are convinced that liquid water once flowed on the surface of the red planet, increasing the odds that life may have existed there in the distant past.
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NASA's Spirit and Opportunity have been exploring Mars about three times as long as originally scheduled. The more they look, the more evidence of past liquid water on Mars these robots discover.
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The final results of the Rover research will be reported next year, but a growing body of evidence shows that Mars had a great deal of water several billion years ago, about the same time life was emerging on Earth.
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The hills of Mars yielded more tantalizing clues about how water shaped the Red Planet in tests by NASA (news - web sites)&#39;s robotic geologist, Spirit, while its twin
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By Alicia Chang THE ASSOCIATED PRESS  For decades, scientists have scoured Mars in search of water, a basic ingredient for primitive life.  But the best clues were always tied to the ancient past when the Red Planet was warmer and wetter.
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Almost by accident, NASA's Mars rover Opportunity has found a rock that may point to a second water event in the red planet's past.
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Pictures of Martian gullies taken years apart suggest that water still flows on the surface of the planet.
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US scientists have found new data showing patterns of water and methane on Mars could improve the chances life once existed there.
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Almost by accident, NASA&#39;s Mars rover Opportunity has found a rock that may point to a second water event in the red planet&#39;s past.
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Nasa's robotic rover Spirit has found evidence that water washed and altered rocks in the hills it has been exploring on Mars.