Discovery heat shield repair
Discovery heat shield tiles
Astronaut self portrait
Return to Flight spacewalk
Discovery docking with ISS, STS-114
ISS astronaut
Space walk
Discovery docked to the ISS, STS-114
ISS space walk
STS-121 spacewalk, July 2006
ISS astronauts
ISS space walk, July 2006
Astronaut self portrait, 2008
ISS space walk, 2008
Space shuttle and ISS
Spacewalk
International Space Station construction
ESA astronaut during ISS spacewalk
ISS spacewalk, February 2007
ISS construction
Space Shuttle Endeavour damage
ISS space walk, 2011
ISS space walk, June 2006
Astronauts spacewalking off the ISS
Astronaut performing a spacewalk
STS-109 spacewalk, March 2002
ISS construction, August 2007
ISS astronauts eating
International Space Station astronaut
ESA astronaut during an ISS spacewalk
Failed Return to Flight" launch"
Return to Flight shuttle launch
Mission STS-133 space walk
ISS space walk, 2010
ISS astronaut Jeffrey Williams
International Space Station, 2012
Space Shuttle Discovery
Soviet space-walk, artwork
Astronaut Mike Massimino
International Space Station, 2011
ISS construction, February 2007
ISS astronaut Pavel Vinogradov
ISS robotic arm
Astronaut in ISS airlock
Astronaut in the ISS
Astronauts performing spacewalk
Astronaut during a spacewalk
NASA astronaut practising spacewalk using virtual reality
ISS solar array repair
Space walk on the ISS
100th ISS spacewalk, December 2007
Space shuttle astronaut
ISS construction, July 2007
Evaluation of SAFER EVA backpack, STS-64
International Space Station
Michael Foale, British astronaut
Astronaut on Space Shuttle Discovery
Space Shuttle Atlantis docked on the ISS
STS-116 Space Shuttle Discovery launch
First space walk, artwork
ISS expedition 37 and 38 crew training
ISS repair spacewalk, January 2008
Manned maneuvering unit space walk, 1984
Astronaut Curbeam performing spacewalk
Astronaut exercising on the ISS
Skylab space station space-walk
STS-116 launch, Space Shuttle Discovery
Hubble servicing
Shuttle captures Palapa B-2 satellite
Shuttle astronauts with Palapa B-2 satellite
ISS Columbus module model
Russian cosmonaut during a spacewalk
Astronaut entering Mir space station
Discovery departing the ISS, STS-133
Astronaut and ISS supplies
International Space Station, 2001
Astronaut training
Preparing Return to Flight" mission"
Space Shuttle preparation
SpaceX Demo-2 mission patch
Astronaut John Glenn, 1998
Crew training for STS-116 shuttle mission
Aboard the International Space Station
Spacewalk, Joseph R. Tanner, STS-82
NASA astronaut during a spacewalk
First spacewalk, 1965
Astronaut reflection
SAFER backpack test
International Space Station, 2002
Space Shuttle final flight
ISS and Endeavour light trails
Timothy Peake, astronaut training, 2010
Cosmonaut Ryazanskiy running on a treadmill
Sergei Volkov, Russian cosmonaut
Exercising on International Space Station
Maintenance on the ISS
Sleeping on International Space Station
Space Shuttle mission STS-121, July 2006
Shuttle mission STS-121 landing, 07/2006
International Space Station, 2000
International Space Station solar array
International Space Station, August 2007
Shuttle retrieval of Palapa B-2 satellite
Astronaut during spacewalk
Space shuttle over Earth's horizon
Space shuttle Discovery on a 747
Astronaut Thomas Pesquet during a spacewalk
Robonaut 2 and astronaut
Astronaut Scott Parazynski performs a spacewalk
SpaceX Demo-2 liftoff