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8/18/09 - Spirit Hits 2,000
Today marks the 2,000th Martian day, or sol, of what was initially planned as a 90-sol mission on Mars for NASA's Spirit rover.
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8/13/09 - Planned Rover Test to Run a Week or More
Mars rover team members are planning a long-duration experiment with the test rover at JPL beginning next week.
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8/7/09 - More Testing Before Driving on Mars
A review on Aug. 6 of test results to date yielded a decision to conduct further checkouts in an augmented testing set-up on Earth before beginning to send driving commands to Spirit for attempting to get out of the loose soil where the rover has partially embedded itself.
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8/6/09 - Rover Confirms Meteorite on Mars
Composition measurements by NASA's Opportunity rover confirm that this rock on the Martian surface is an iron-nickel meteorite.
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7/30/09 - Free Spirit Testing Nearing Completion
Mars rover engineers at JPL are winding down testing of different escape maneuvers using a test rover in a sand box filled with soil to mimic the Martian surface.
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7/24/09 - Longer Tests Beginning
Mars rover team members have begun a new phase of testing at JPL -- using longer-duration experiments -- in their preparations for driving Spirit again on Mars.
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7/21/09 - Tests on Earth to Help Free Spirit Rover on Mars: Live Webcast, Chat
A live videocast and chat from JPL will give viewers a chance to ask questions of rover team members working to get Spirit rolling again.
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7/21/09 - Free Spirit: Next Step: Combinations of Basic Moves
As the Mars rover team uses testing at JPL to evaluate possible ways to drive Spirit out of loose soil on Mars, the team is finishing tests of individual "building block" maneuvers and is about to begin stringing some of those together.
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7/16/09 - Test Rover Checks Pivoting Technique
The Mars rover team is using a test rover at JPL to assess various extraction techniques that might get Spirit out of the loose soil of "Troy" on Mars.
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7/14/09 - Mars Dust Devil Has Colorful Effect in Image Series
Scientists have combined a trio of shots taken seconds apart through different colored filters to create a special-effects portrait of a moving dust devil on Mars.
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