US astronauts to step out on spacewalk for repairs

Two US astronauts are preparing to step out on a brief spacewalk Wednesday to install a backup computer at the International Space Station after one failed earlier this month.

Image: Astronaut Mike Hopkins on Dec. 24 spacewalk

On Dec. 24, 2013, NASA astronaut Mike Hopkins, Expedition 38 Flight Engineer, participates in the second of two spacewalks, spread over a four-day period, which were designed to allow the crew to change out a degraded pump ...

Astronauts complete rare Christmas Eve spacewalk

Space station astronauts repaired a crippled cooling system during a rare Christmas Eve spacewalk Tuesday, braving a "mini blizzard" of noxious ammonia as they popped in a new pump.

NASA orders urgent spacewalk repairs at station

NASA has ordered up a series of urgent spacewalks to fix a broken cooling line at the International Space Station, a massive repair job that could stretch to Christmas Day.

NASA sees 'some success' with space station fix

NASA engineers are still trying to fix an International Space Station cooling problem and have not yet decided whether spacewalks will be necessary, the US space agency said Monday.

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