Mars&#39; polygon shapes may be result of water action
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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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NASA&#39;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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com. 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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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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Now that NASA's Mars Exploration Rover Spirit is finally examining bedrock in the "Columbia Hills," it is finding evidence that water thoroughly altered some rocks in Mars' Gusev Crater.
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It&#39;s the discovery by two Mars rovers that the Red Planet once had water and possibly could have supported life. That recognition comes today from the journal Science.
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Before its death, Mars Global Surveyor captures images of  water flowing on the surface of the red planet. In Gear Factor.
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By JOHN JOHNSON JR.  NASA scientists announced Wednesday that they had found evidence that water still flows over the surface of Mars - sporadic gushers that increase the possibility that the Red Planet could harbor some form of life.
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'Squirting Gun' NASA today unleashed its "squirting gun" by making bold claims about the presence of very liquid, very flowing water on Mars.â¦
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The European Space Agency&#39;s Mars Express Orbiter has taken new images of Mars that suggest there has been recent volcanic activity on the surface 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. Opportunity keeps finding new clues of past water as it continues probing Mars, said mission scientists
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By RANDOLPH E. SCHMID Associated Press  WASHINGTON -- An orbiting spacecraft has sent back new evidence for the presence of water on Mars.    Scientists long have debated whether water flowed on the red planet, with evidence increasing in recent years.
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LOS ANGELES - NASA&#39;s Mars rover, Opportunity, has found more signs that rocks on the Red Planet were once submerged in water. Data sent by Opportunity suggest a crater was drenched a second time after drying out, scientists said.
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A cracked rock called Escher is helping NASA scientists reconstruct the history of water on Mars. They say that the crater currently being explored by the Opportunity rover may have been shaped by a second
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An orbiting spacecraft has sent back new evidence for the presence of water on Mars.
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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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Images from a European space probe reveal recent glacial deposits and lava flows on Mars that suggest the red planet is more active than many scientists had thought.