Spacewalking astronauts plug in new cooling pump

(AP) -- Spacewalking astronauts installed a new ammonia pump to the International Space Station on Monday, accomplishing the urgent cooling-system repairs after more than two weeks of impaired operations in orbit.

Success in space: Astronauts pull off broken pump

(AP) -- Spacewalking astronauts relied on brute force Wednesday to remove a broken coolant pump that has hampered operations at the International Space Station.

Next space station spacewalk no earlier than Wednesday

Flight controllers and engineers continue meetings to review the results from the first spacewalk conducted Saturday by International Space Station Expedition 24 Flight Engineers Doug Wheelock and Tracy Caldwell Dyson and ...

3rd spacewalk needed to restore cooling system

(AP) -- A pair of space station astronauts had to hammer loose a stuck connector during an urgent spacewalk to restore a crucial cooling system Saturday, then an ammonia leak erupted and hampered the entire repair effort.

NASA delays spacewalks to fix ISS cooling pump

NASA on Thursday pushed back by one day the first of two spacewalks to fix a pump module on the International Space Station's (ISS) cooling system that dramatically failed last week.

Astronaut gives Isaac Newton cosmic view of Earth

(AP) -- Sir Isaac Newton is getting the royal treatment in space, thanks to the British-born astronaut who carried up a picture of the 17th century scientist and a chip from his famous apple tree.

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