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Topic: John Callas

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Mars rovers roll on after five years
PASADENA, Calif., Jan. 3 (UPI) -- The unmanned rovers Spirit and Opportunity are showing serious signs of wear after an astounding five years roaming Mars, U.S. space agency officials say.
NASA rover ready to leave Victoria Crater
PASADENA, Calif., Aug. 27 (UPI) -- The U.S. space agency's rover Opportunity will soon be back on Mars' plains after nearly a year in a large Martian crater studying ancient rock layers.
PASADENA, Calif., April 24 (UPI) -- The U.S. space agency says a motor in the robotic arm of its Mars rover Opportunity that began stalling more than two years ago has become more troublesome.
WASHINGTON, Oct. 16 (UPI) -- The U.S. space agency, for the fifth time, is extending the program for its Mars Exploration Rovers.
PASADENA, Calif., Sept. 27 (UPI) -- The National Aeronautics and Space Administration said its Mars rover, Opportunity, reached its first destination inside Victoria Crater this week.
PASADENA, Calif., Sept. 12 (UPI) -- NASA's Mars Exploration Rover Opportunity entered Victoria Crater for the first time, reporting its information via the Mars Odyssey orbiter.
PASADENA, Calif., Aug. 28 (UPI) -- The National Aeronautics and Space Administration says both of its Mars exploration rovers -- Spirit and Opportunity -- have resumed functions.
PASADENA, Calif., Aug. 1 (UPI) -- National Aeronautics and Space Administration scientists said they are becoming increasingly concerned about the status of the Mars exploration rovers.
PASADENA, Calif., July 5 (UPI) -- A dust storm on Mars has cut solar power to NASA's rover Opportunity, delaying the U.S.-operated space vehicle from its scheduled decent into Victoria crater.
WASHINGTON, Sept. 7 (UPI) -- NASA's Mars rover Opportunity is closing in on what the U.S. space agency calls an overlooked and rich science trove -- a huge and geologically lush crater.

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President Obama Signs Smuggling Prevention Act at White House
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