Mars Rover Finds Mysterious Rocks and More Signs of Water
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Both rovers, the Spirit and the Opportunity, have more than doubled their intended lifetimes of three months.
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SAN FRANCISCO: Pictures of Earth-like clouds were captured by Nasa&#39;s Mars rover on Wednesday. Reports also indicate that there&#39;s a rock that doesn&#39;t look like anything scientists have ever seen.
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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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The Mars rover Spirit found a mineral linked to water during its exploration of the Red Planet, NASA's Jet Propulsion Laboratory said Monday.
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The US space agency NASA says one of its two rovers on Mars has found possible fresh evidence that liquid water existed there in the past.
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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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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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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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Evidence from the Mars exploration rovers Spirit and Opportunity has led scientists to suggest that water was once present in large quantities on the red planet.
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Photographs sent by a NASA orbiter suggests that water may indeed be flowing on Mars. And where there's water, there's at least a chance of life. By the Associated Press.
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Curious deposits on Mars that originally appeared to be signs of an ancient ocean were instead produced by water emerging from underground, a new study finds.
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NASA says a false-color image taken by its Mars Exploration Rover Opportunity shows a rock dubbed &quot;Escher&quot; whose fractures, which divide the surface into polygons, may have been formed when water left over from the rock&#39;s formation dried up.
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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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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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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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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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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.