Mars dust storms threaten rovers
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Dust storms raging on Mars pose the worst threat yet to Nasa's robot rovers, the US space agency says.
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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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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 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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A severe dust storm is underway on Mars, causing an energy crisis for NASA's Mars rovers. Dust in the atmosphere over Opportunity has blocked 99 percent of direct sunlight, leaving only the limited diffuse sky light to power the rover.
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LOS ANGELES Oct. 7, 2004 - NASA&#39;s Mars rovers don&#39;t seem to be wearing out, so mission planners have begun to think more boldly including a plan to let one climb up a steep slope from a crater it has been exploring to set out across a plain.
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As NASA's Mars rovers keep rolling past all expectations of their useful lives, scientists have a happy mystery: For some reason one of the vehicles has actually gained power recently.
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LOS ANGELES -- Two months after surviving a giant dust storm, one of NASA's robotic rovers on Mars began a risky drive Tuesday into a crater blasted open by a meteor eons ago.
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Gusts of wind have cleared dust from  the solar collectors on one of two robot rovers on the surface  of Mars and both have awakened from the sleep NASA put them  into, the space agency said on Friday.
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They're old and dirty, but NASA's Mars rovers are back in the exploration business after enduring a lengthy Red Planet dust bowl that blocked most of the sunlight they need for power.
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MOFFETT FIELD, CALIF. - The Mars rover Opportunity is set to examine the heat shield that protected the robot as it plunged through the planet&#39;s atmosphere last January.
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Three years after the two Mars rovers were expected to stop working, they're still exploring the red planet, having shut down for the better part of two months because of dust storms.
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Mars shows signs of geologically recent volcanic activity, and scientists find to their surprise that another volcanic blast may be in the Red Planet&#39;s future.
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Something strange is happening on Mars. It seems something or someone is cleaning the windows on one of two rovers probing the surface of the red planet.
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The surface of Mars is now obscured by a globe-engulfing veil of dust, officials report, posing a potentially longer-lasting threat to the plucky NASA rovers on the planet&#39;s surface.
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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 - 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.