Twoastronauts are preparing to take at least two strolls in space outside NASA'sDiscovery shuttle after it launches into orbit Saturday. STS-121spacewalkers PiersSellers and MichaelFossum are charged ...
CAPECANAVERAL, Fla. - While sevenastronauts prepare to ride NASA's Discovery shuttle toward the InternationalSpace Station (ISS) this week, the orbital laboratory's two-man crew isgearing up for the ...
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