Space
Private flights may make space station more expensive
News
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Space
Boeing and SpaceX bag NASA's $6.8bn space taxi prize
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Space
Water-splitter could make hydrogen fuel on Mars
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Life
Low gravity makes astronauts prone to falling over
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Space
No easy parking spot for first-ever comet landing
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Space
'Soccer-ball' robots to patrol space for deadly junk
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Space
Myths and reality of the Nazi space rocket
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