SpaceMars rover uncovers hints of water activity Shiny stones and cemented soil particles discovered by NASA's Opportunity provide tantalising clues ¿ìè¶ÌÊÓƵ
SpaceMars rover recovering from memory problems Spirit's electronic ailment is diagnosed as too many files in its flash memory, but its twin develops a heating problem ¿ìè¶ÌÊÓƵ
