NASA astronaut Steve Swanson is pictured during a spacewalk to replace a failed backup computer.
Part of the upper body of NASA astronaut Rick Mastracchio is pictured in a "selfie" or self-portrait during a spacewalk.
NASA astronaut Steve Swanson is pictured during a spacewalk to replace a failed backup computer.
The SpaceX Dragon spacecraft docked to the International Space Station was photographed by one of two spacewalking astronauts on April…
During the 1990s two SR-71 Blackbird aircraft were used by NASA as testbeds for high-speed and high-altitude aeronautical research at…
Three STS-31 crew members look at the Hubble Space Telescope through overhead windows on space shuttle Discovery, April 25, 1990.…
NASA's Curiosity Mars rover has driven within robotic-arm's reach of the sandstone slab at the center of this view from…
Mercury astronaut John Glenn stays fit by running on the beach in Cape Canaveral, Florida.Credit: NASA
On this view of the Curiosity rover mission's waypoint called "the Kimberley," the red dot indicates the location of a…
NASA’s Administrator, Charles Bolden (left), President/CEO of Lockheed Martin, Marillyn Hewson (right), and astronaut Rex Walheim (back row) pose for…
