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Science
Private Cygnus XL cargo spacecraft departs the International Space Station after 6-month stay (video)
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Canadarm2
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Astronauts ‘operate’ on space station’s broken robot arm
NASA astronauts have conducted a complex spacewalk to restore the functionality of the Canadarm2 robotic arm on the International Space Station.
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Science
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NASA astronauts head outside the space station to replace a Canadarm2 wrist joint that malfunctioned after 25 years in orbit
NASA astronauts completed a seven-hour spacewalk to replace a broken wrist joint on the space station's robotic arm.
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Watch 2 NASA astronauts fix ISS' huge robotic arm during spacewalk today
NASA astronauts have successfully replaced a critical joint on the International Space Station's Canadarm2 robotic arm.
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The critical robot arm on the ISS isn't working properly, but NASA has a plan to fix it
Expedition 74 prepares for a spacewalk to repair the Canadarm2 robot arm aboard the International Space Station.