Visible through a window on Endeavour's aft flight deck, astronaut Rick Linnehan participates in the mission's third scheduled spacewalk. During…
"The world changed today. What I say or do is very minor compared to the significance of what happened to…
Engineers at NASA's Marshall Space Flight Center test a model of the Shooting Star Experiment (SSE), designed to develop and…
With the Atlantic Ocean as a backdrop, an Atlas V launch vehicle, 19 stories tall, with a two-ton Mars Reconnaissance…
Anchored to a Canadarm2 mobile foot restraint, astronaut Rick Linnehan participates in the mission's first scheduled spacewalk. During the seven-hour…
Expedition 12 commander William S. McArthur, Jr. (right) and cosmonaut Valery I. Tokarev (left) participate in a training session in…
Ephemeral Lake Carnegie, in Western Australia, fills with water only during periods of significant rainfall. In dry years, it is…
This view featuring a sunrise dissecting a line of airglow of Earth's atmosphere was photographed by an STS-114 crewmember onboard…
Expedition 13 Commander Pavel Vinogradov, Brazilian astronaut Marcos Pontes, and Expedition 13 Flight Engineer Jeff Williams, pose for the media…
NASA ER-2 aircraft pilot David Wright exits the vehicle that brought him to the awaiting ER-2 aircraft. The NASA ER-2…
