PASADENA, Calif., July 9 (UPI) -- U.S. space agency engineers said they used backward motion during the second evaluation of maneuvers that might free a stuck Mars rover.
PASADENA, Calif., July 7 (UPI) -- The U.S. space agency says it's using a test rover placed in a sandbox to simulate how best to get the rover, Spirit, extracted from loose Martian soil.
PASADENA, Calif., April 21 (UPI) -- The U.S. space agency reports more problems with its Mars exploration rover Spirit in behaviors similar to events that occurred about a week ago.
PASADENA, Calif., April 14 (UPI) -- The U.S. space agency says its Mars exploration rover Spirit inexplicably rebooted its computer at least twice last weekend.
PASADENA, Calif., Jan. 23 (UPI) -- The U.S. flight team for NASA's Mars explorer Spirit reported Friday it successfully received data from the rover in a 20-minute communication session.
PASADENA, Calif., Jan. 22 (UPI) -- The Mars Spirit rover is transmitting a simple radio signal but no data or images, NASA scientists said Thursday.
PASADENA, Calif., Jan. 5 (UPI) -- NASA's Spirit probe has targeted a promising spot to begin exploring the Martian surface, mission scientists said Monday in Pasadena, Calif.
