Mars water tops science honours
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The discovery that salty, acidic water once flowed across the surface of Mars has topped a list of the 10 key scientific advances of 2004.
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Summary - (Oct 8, 2004) Now operating three times longer than originally expected, NASA&#39;s Mars Exploration Rovers are still turning up fresh evidence that liquid water once flowed on Mars.
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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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After decades of scouring images of Mars for signs of water, scientists believe they have found stunning evidence that water may even now be flowing through the Red Planet's frigid surface.
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Ten months after NASA&#39;s twin rovers landed on Mars, scientists reported Thursday that both robotic vehicles were still navigating their rock- studded landscapes with all instruments operating, and both were discovering fresh evidence that water must have
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On one side of Mars, NASA&#39;s Spirit rover has found a mineral that solidly points to water activity. Meanwhile, the Opportunity rover has found confirmation
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WATER ice may have been found near the Martian equator on the solar systemâs biggest volcano, scientists revealed yesterday. High-resolution pictures taken by the Mars Express spacecraft suggest the presence
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WASHINGTON - The discovery by a pair of wheeled robots that Mars once had vast pools of water and could have harboured life was chosen by the editors of the journal Science as the most important scientific achievement of 2004.
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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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JACKSON HOLE, Wyoming -- There is mounting evidence of the role of water  in Mars' evolution. That fact appears to have been favorable to the  development of life -- and the leftover calling card of past biology may be  preserved in that world's geologic record.
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PASADENA, Calif. - A patch of Martian soil analyzed by NASA's rover Spirit is so rich in silica that it may provide some of the strongest evidence yet that ancient Mars was much wetter than it is now.
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LIVELY MARS : ET might just be out there. NASA&#39;s two Mars rovers, Opportunity and Spirit, landed on the Red Planet early in 2004 and have since found conclusive evidence of water that could possibly have harboured life.
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Sept. 8, 2004 - Mars may be cold, dry and dusty today but it once had a watery climate that lasted for much of its history, according to a study published in the British science journal Nature on Thursday.
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By ALICIA CHANG   Associated Press writer  LOS ANGELES  -- 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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By ALICIA CHANG, THE ASSOCIATED PRESS  LOS ANGELES  A provocative new study of photographs taken from orbit suggests that liquid water flowed on the surface of Mars as recently as several years ago, raising the possibility that the Red Planet could harbor an environment favorable to life.
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NASA&#39;s Mars rover Opportunity found evidence for a lake or sea on Mars, and new research suggests the body of water was deep, large and long-lasting.
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NASA's Mars Reconnaissance Orbiter spacecraft this month is set to surpass the record for the most science data returned by any Mars spacecraft.