Russian experiment to go to Mars on US spacecraft

NASA: Spirit finds new proof of Martian water

NASA chief O'Keefe resigns

NASA head to resign: reports

Space in 2004: The year in dates

Space in 2005: The year ahead

Space in 2004: Robots versus the right stuff

US, China space agency chiefs hold talks amid proliferation concerns

Scientists call for global cooperation in space programme

Cash-strapped Russia aims for unmanned Mars moon landing