Opening Mars's 'History Book'
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When the Mars rovers Opportunity and Spirit reached their distant destination in early 2004, NASA scientists hoped the vehicles would probe the planet's frigid landscape for 90 days before they pooped out or were undone by the harsh Martian environment.
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Also: Nasa's Mars rovers--'biggest breakthrough' in science in 2004. [News.com Extra]
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A probable active glacier is identified on the surface of Mars for the first time.
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They made history in more ways than one. Not just because they landed two robot geologists on Mars. Not just because they provided conclusive evidence that water once flowed on the Red Planet. The JPL team that sent two rovers to Mars this year made history because they completed in 3 1/2 years what mission planners usually complete in seven.
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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.
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His promulgation of the heliocentric theory ignites a scientific revolution that changes history. Compiled by Tony Long.
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SAN FRANCISCO -- Layers on Mars are yielding history lessons revealed by instruments flying overhead and rolling across the surface.
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Mars launches a review of its European business in an effort to boost sales and efficiency.
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An inside look at the elaborate secrecy campaign around the biggest book of all time
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Born this day: the inventor of the world's first machine gun. Compiled by Tony Long.
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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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SAN FRANCISCO, Calif. -- Hunting for traces of life on Mars calls for two radically different strategies, says Arizona State University professor Jack Farmer.
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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.
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The Mars Exploration Rovers, Spirit and Opportunity, will claim a place in history as tremendous successes. But to get the rovers ready for launch, mission team members had to push themselves to their limits. MER Principal Investigator Steve Squyres explains how they handled the challenge.
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Description: Scientists exploring Mars via the rover &#39;Opportunity&#39; published 11 papers detailing the progress of the research being done in an area called Meridiani Planum.
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When scientists wanted to explore what kind of life might exist on Mars, public television&#39;s &quot;NOVA&quot; recorded the building and launch of the rovers sent to the planet.
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By FRANZEN  Three years ago, when the Bush administration announced plans to send a manned mission to Mars, a base on the moon was a part of those plans.