Rover nears crater science trove
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Nasa's Mars rover Opportunity is closing in on what may be the richest scientific "treasure trove" of its mission.
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It's been a watershed year  of science for&nbsp;the NASA&nbsp;Mars rover Spirit,&nbsp;a  six-wheeled&nbsp;automaton&nbsp;that continues to probe the red planet's  secrets&nbsp;as it clambers up the Columbia Hills.
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While those unflappable interplanetary twins - Spirit and Opportunity - continue to trudge across Mars, engineers and scientists are readying the next robotic rover destined to trail across the distant sands of the red planet.
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A rock dubbed &quot;Uchben&quot; in the &quot;Columbia Hills&quot; inside Gusev Crater is seen in this photo released Thursday, Nov. 4, 2004 taken by the Mars Rover Spirit.
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The Mars Opportunity site continues to intrigue scientists as they decipher the chemistry deeper in Endurance crater. The rise in chlorine and fall in sulfur may suggest alterations by evaporating water in the crater's past.
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Opportunity knocks... Opportunity, the Mars rover, is edging ever closer to the edge of the Victoria crater, which has been its goal for more than half its time on the red planet.â¦
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NASA's aging but durable Mars rover Opportunity will make what could be a trip of no return into a deep impact crater as it tries to peer further back than ever into the Red Planet's geologic history.
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The most dramatic findings so far from NASA&#39;s twin Mars rovers -- telltale evidence for a wet and possibly habitable environment in the arid planet&#39;s past -- passed rigorous scientific scrutiny for publication in a major research journal.
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Scientists analysing data from the Mars exploration Rover missions believe water was involved in the formation of rocks on the planet.
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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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NASA will send its Mars rover  Opportunity into a gaping Martian crater in July to seek clues  about the planet&#39;s bygone environment despite risks to the  plucky little vehicle, officials said on Thursday.
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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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NASAâs Mars rover Opportunity will finally enter a half-mile-wide crater after two months besieged by a giant dust storm.
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The discovery of Mars&#39; watery past by NASA&#39;s Spirit and Opportunity rovers has been chosen as the key scientific advance of 2004 in an annual list compiled by Science magazine.
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NASA&#39;s Mars rovers have returned new evidence for past water, pictures of Earthlike clouds seen for the first time from the planet&#39;s surface, and a rock that doesn&#39;t look like anything scientists have ever seen.
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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.