Sunita Williams

(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.


In this handout GOES satellite image provided by NASA, Hurricane Sandy moves inland across the mid-Atlantic region on October 30, 2012 in the Atlantic Ocean. President Barack Obama has declared the situation a 'major disaster' for large areas of the US East Coast including New York City.  (Photo by NASA via Getty Images)

Astronauts See Superstorm Sandy From Space Station

They’re not calling it a superstorm for nothing. Sandy, the storm that has been ravaging the East Coast, is enormous, even when seen from space.


(Source: Photo by Joe Raedle/Getty Images)

SpaceX’s Dragon Splashes Down In Pacific

An unmanned space capsule carrying medical samples from the International Space Station is back on Earth.


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.


(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.