Greenhouse clue to water on Mars
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A new hypothesis could explain how the climate of early Mars became warm enough to support oceans.
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Water vapour and methane gas have been found in the same places on Mars, strengthening speculation that the Red Planet could be a haven for microbial life, space scientists say.
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BEIJING, Aug. 19 (Xinhuanet) -- NASA&#39;s Mars rovers have uncovered more clues about how water shaped the Red Planet, scientists said Wednesday.
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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&#39;s older Martian robotic rover, Spirit, has found evidence that underground water changed a major rock formation called the Columbia Hills, scientists said yesterday.
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The Mars rovers have found fresh evidence that water was plentiful in both the hills and plains of the now-barren Red Planet, scientists at NASA Jet Propulsion Laboratory said on Thursday.
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Astronomers find water in the atmosphere of a giant planet outside our Solar System.
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NASA's Mars rover Opportunity has found an unusual  pattern of cracking on a rock it discovered inside a Martian crater -- evidence, perhaps, that water may once have soaked parts of the crater bed, researchers said yesterday.
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An orbiting spacecraft has sent back new evidence for the presence of water on Mars.
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Findings in the Martian atmosphere by the European Mars Express spacecraft orbiting the red planet correspond to areas where the US Mars Odyssey spacecraft has detected possible water ice just beneath the surface.
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Paris - The European Space Agency (ESA) said on Monday that it had found concentrations of water vapour and the gas methane in the same places on Mars, a finding which strengthens speculation that the Red Planet could be a haven for microbial life.
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NASA&#39;s Jet Propulsion Laboratory says the Mars rover Spirit has found a mineral linked to water during its exploration of the Red Planet.
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LOS ANGELES -- 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.The news excited scientists who hunt for extraterrestrial 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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Researchers can now say definitively that Mars once  supported a watery environment, but whether the red planet could have ever  supported life is still far from certain.
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Image: This map shows the estimated lower limit of the water content of the upper meter of Martian soil. &quot;Odyssey has accomplished all of its mission-success criteria,&quot; said Dr.
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This week, scientists f urther confirmed the presence of water on Mars, almost a year after the Mars Exploration Rovers landed on the fourth rocky planet from the sun.