PASADENA, Calif., Sept. 15 (UPI) -- NASA says freeing its Mars rover Spirit that's been stuck in loose martian sand since April will be very difficult and might even prove impossible.
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.
WASHINGTON, Jan. 20 (UPI) -- The U.S. space agency says it's issuing a last call to youngsters interested in entering a competition to name the next Mars rover.
DENVER, Feb. 27 (UPI) -- The U.S. space agency is exhibiting a lunar robot rover equipped with a drill, designed to find water and oxygen-rich soil on the moon.
WASHINGTON, March 22 (UPI) -- NASA said it will announce a "major scientific finding" from its Mars rover mission on Tuesday afternoon, EST, the agency said in a statement.
PASADENA, Calif., Jan. 29 (UPI) -- Mars rover Spirit began taking pictures again as engineers continued to work on restoring it to full capacity, NASA announced Thursday.
PASADENA, Calif., Jan. 24 (UPI) -- Hours before its twin reached Mars, NASA's engineers found a way to communicate reliably with the rover Spirit, the U.S. space agency said Saturday.
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.
CAPE CANAVERAL, Fla., April 15 (UPI) -- NASA announced Tuesday it is delaying launch of a long-awaited Mars rover.
