Akihiko Hoshide

(Photo by NASA via Getty Images)

Spacewalking Astronauts Try To Find Ammonia Leak

A pair astronauts aboard the International Space Station are performing a spacewalk to track down an ammonia leak in a critical radiator system.

11/01/2012

Astronauts Akihiko Hoshide and Sunita Williams of Expedition 32 to the International Space Station perform a space walk Sept. 5, 2012 in order to finish installation of an additional power unit on the station's truss. (Source: NASA-TV)

Spacewalking Team Is Successful At Second Stiff Bolt Shot

Spacewalking astronauts armed with brushes and other homemade tools attempted to install a critical power-switching box at the International Space Station on Wednesday and revive electrical systems.

CBS4–09/05/2012

(Photo by NASA via Getty Images)

Spacewalking Astronauts To Replace Remote Camera

For the second time in as many weeks, a pair of astronauts aboard the International Space Station has gone for a ‘walk’ to do a little maintenance.

08/30/2012

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