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Cosmonauts set for Olympic torch relay spacewalk

The Olympic torch arrived on the International Space Station, but how will it do during a spacewalk?

By Nov. 8, 2013


Astronauts take Christmas Eve spacewalk, make critical repair

But now they're home for the holidays -- home at the International Space Station, that is, after a high-stakes repair job clearing the way for reactivation of a critical coolant system.

By Dec. 24, 2013


Spur-of-the-moment spacewalk a first for NASA, space station

An impromptu spacewalk triggered by the sight of ammonia flakes drifting past a window of the International Space Station wraps up with a replaced pump and a plan for "additional detective work."

By May. 11, 2013


Images: Hubble spacewalk simulator

Want to know what work will be like for the astronauts who'll be repairing the Hubble Space Telescope? NASA and DigitalSpace have a tool for you.

6 Images By May. 12, 2009


NASA revising second station repair spacewalk

Faced with an unexpected ammonia leak, NASA engineers revise plans for replacing a coolant system pump aboard the International Space Station.

By Aug. 9, 2010


Spacewalk cut short by spacesuit CO2 buildup

A problem with the carbon dioxide removal system in astronaut Chris Cassidy's spacesuit forces flight controllers to terminate a space station battery replacement spacewalk.

By Jul. 22, 2009


Astronauts carry out spacewalk, repair toilet

Two Endeavour astronauts stage a second spacewalk to store critical spare parts on the International Space Station while crewmates inside repair a flooded toilet.

By Jul. 20, 2009


Marathon spacewalk gives Hubble new life

Astronauts carry out invasive surgery on Hubble telescope, working around problems to install new gyroscopes and fresh batteries during a marathon spacewalk.

By May. 15, 2009


Red Hat's Project Spacewalk could make it the hub in the open-source wheel

Red Hat's Project Spacewalk is notable for its promise, but also for its lack of evangelism to live up to that promise.

By Sep. 2, 2008


Olympic torch sprints among the stars

Two cosmonauts pass the Olympic torch during a spacewalk outside the International Space Station as it orbits some 260 miles above Earth.

By Nov. 9, 2013