Polygon shapes on Mars rock add to evidence of water
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Curious polygon shapes on the surface of Mars are among the latest evidence clearly suggesting the presence of water, and some of it may have appeared there even after the surface was bombarded by objects from distant space.
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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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The Mars rover Spirit has uncovered the strongest evidence yet that the planet used to be wetter than previously thought, scientists reported Monday.
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One of NASA&#39;s twin robotic Mars rovers, Spirit, has discovered a mineral linked to water according to ABC. &quot;Scientists identified the mineral goethite in bedrock studied in the Columbia Hills.
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New data showing overlap in patterns of water and methane in Mars' atmosphere may have implications for the idea that life exists there.
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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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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 released images today that reveal water likely flowed through Martian gullies within the past few years, providing a "squirting gun" of liquid water's presence on the red planet.
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NASA's Opportunity Mars rover has come across  an interesting object&nbsp;-- perhaps a meteorite sitting out in the open at Meridiani  Planum. Initial data taken by the robot's Mini-Thermal Emission Spectrometer  (Mini-TES) is suggestive that the odd-looking rock is made of  metal.
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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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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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Nasa's robotic rover Spirit has found evidence that water washed and altered rocks in the hills it has been exploring on Mars.
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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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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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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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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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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