Mars Rover Opportunity's Victory at Victoria      (SPACE.com / LiveScience.com)
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SPACE.com / Scientists studying initial on-the-scene images relayed from NASA's Opportunity Mars rover at Victoria Crater are elated.
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The Mars rover Opportunity reached the rim of a deep crater Wednesday after an arduous 21-month trek, marking a milestone in its exploration for clues about the Martian past.
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NASA (news - web sites)&#39;s Mars rover Opportunity will back its way out of a crater it has spent four months exploring after reaching terrain that appears too treacherous to tread.
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The Mars Exploration Rover mission is part of NASA&#39;s Mars Exploration Program, a long-term effort of robotic exploration of the red planet.
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WASHINGTON - The discovery by a pair of wheeled robots that Mars once had vast pools of water and could have harboured life was chosen by the editors of the journal Science as the most important scientific achievement of 2004.
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The Mars rover Opportunity has sent back its first color panorama of the large Martian crater it recently reached after a 21 month trek, and NASA scientists could barely contain their excitement about what they found.
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Nasa's Opportunity Mars rover is pictured from space by the recently arrived Reconnaissance Orbiter.
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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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This is Part 2 of a five-part series covering the experiences of key participants in the Mars Exploration Rover mission. JPL and NASA have developed a structured way of doing business over the years. When you have a schedule crunch like we had, it puts a lot of pressure on that approach and it's almost impossible to do.
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Data from Nasa's Mars rover Opportunity shows its unique landing site is a prime spot for a return mission to look for life, scientists say.
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Scientists said Friday they were plotting the next move for the Mars rover Opportunity, which reached the edge of a deep and geologically rich crater last week after a marathon trek.
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One hundred twenty scientists have published their current running tally of results from the Spirit rover. No lakebed evidence has been found yet, but scientists are impressed with the equipment's diagnostic capabilities so far...
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Boulder, CO -- Spacecraft observations of the landing area for one of NASA's two Mars rovers now indicate there likely was an enormous sea or lake covering the region in the past, according to a new University of Colorado at Boulder study.     Research Associate Brian Hynek of the Laboratory for Atmospheric and Space Physics said data from the Mars Global Surveyor and Mars Odyssey spacecraft now show that the region surrounding the Opportunity rover's landing site probably had a body of water at least 330,000 square kilometers, or 127,000 square miles...
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And this is Faith Lapidus with EXPLORATIONS in VOA Special English. Today we have a report about NASAâs two exploration vehicles on the surface of Mars.
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NASA&#39;s Mars rovers have uncovered more tantalizing evidence of a watery past on the Red Planet, scientists said Wednesday. And the rovers, Spirit and Opportunity, are continuing to do their jobs months after they were expected to ...
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LOS ANGELES - NASA&#39;s Spirit rover has found more evidence of past water on the hills of Mars, while its twin, Opportunity, has observed a field of dunes inside a crater.
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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