Discovery, the oldest space shuttle in Nasa's fleet, is preparing for its final mission following repairs to leaks in a pressurisation system that has twice delayed the launch.
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Space shuttle Discovery prepares for final mission
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Astronauts fix faulty urine processor
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First flight of the SpaceX Dragon capsule is delayed
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NASA rover Curiosity on course for Sunday night landing on Mars
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Shuttle Endeavour blasts off on 'home improvement' mission
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SpaceX, NASA meet to set launch date
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NASA to launch longest space mission for us astronaut in 2015
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NASA works to fix small fuel leak on shuttle Discovery
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Shuttle Endeavour to lift off on Friday
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Endeavour links with space station for home makeover
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Items from age of Antarctic exploration to go on sale
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Seal to be released
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NASA readies space shuttle Atlantis for Monday launch
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TECHNICAL problem delays Ariane rocket launch
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Fuel leakage, oil spill investigated
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US space shuttle Endeavour lands in California
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Space shuttle Atlantis returns