As the shuttle and the space station began their post-undocking relative separation, Expedition 23 flight engineer…
Author: NASA Image of the Day
Gazing at Earth
The STS-131 crew snapped this image as space shuttle Discovery remained docked with the International Space…
Group Portrait
The crews of STS-131 and Expedition 23 gathered for a group portrait in the Kibo laboratory…
Work Is a Spacewalk
During the STS-131 mission's first spacewalk, astronauts Rick Mastracchio and Clayton Anderson (out of frame) moved…
President Obama Visits Kennedy Space Center
President Barack Obama waves hello as he exits of Air Force One along with Senator Bill…
Working in Tandem
Dwarfed by space shuttle Discovery and with Earth's horizon and the blackness of space providing the…
Spacewalkers at Work
During the second of three spacewalks STS-131 astronauts Rick Mastracchio (left) and Clayton Anderson continued maintenance…
A Day’s Work
During the second spacewalk of the STS-131 mission, NASA astronauts Rick Mastracchio and Clayton Anderson (out…
Upgrading the Station
During the STS-131 mission's first spacewalk, which lasted about 6.5 hours, NASA astronaut Rick Mastracchio helped…