Browse Archive
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NASA's 'Mr. Eclipse' Retires but Still Chases Shadows
If you have ever looked up the "where," "when" or "what type" for an eclipse, you may be familiar with Fred Espenak, better known as "Mr. Eclipse."
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New NASA Images Indicate Object Hits Jupiter
Scientists have found evidence that another object has bombarded Jupiter, exactly 15 years after the first impacts by the comet Shoemaker-Levy 9.
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Free Spirit: 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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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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Mystery Source of Solar Wind Heating Identified
After decades of research, NASA scientists say they may have found the answer to why the solar wind is hotter than it should be: turbulence.
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Free Spirit: Rover Engineers Test More Maneuvers
Engineers checking possible rover movements to get Spirit out of the "Troy" sand trap on Mars are evaluating how a comparable rover at JPL fares in a crablike backward drive, with all four corner wheels turned 60 degrees toward the right.
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Solar Observatory Arrives at Kennedy Space Center
NASA's upcoming mission to study the sun in unprecedented detail and its effects on Earth, the Solar Dynamics Observatory (SDO), arrived at NASA's Kennedy Space Center, Fla. on July 9.
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Free Spirit: Tests Evaluating Crabwalk Moves
On firm ground, NASA's Mars Exploration Rovers can make crablike moves by turning all four steerable wheels to the same side angle, then rotating the wheels either forward or backward.
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Heat Shield Readied for Next Mars Rover
Lockheed Martin Space Systems, Denver, has finished building and testing the heat shield for protecting the Curiosity rover of NASA's Mars Science Laboratory project.
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Free Spirit: Second Rover Test Maneuver is Backwards
Engineers used straight-backward driving of a test rover on Earth on Wednesday, July 8, as they evaluate maneuvers that might be useful for getting Spirit out of a sandtrap on Mars.