Astronaut Suni Williams is pictured during a six-hour spacewalk

Astronaut Frederick Gregory vacuums air filters in avionics bay

Open

STS-131 crew member and JAXA astronaut Naoko Yamazaki

Open

Astronauts Suni Williams and Don Pettit pose for a selfie-portrait

Open

Astronaut Matthew Dominick points his camera out a window on the cupola

Open

Expedition 28 crew member and JAXA astronaut satoshi Furukawa

Open

Astronaut Don Pettit stares at a ball of water shaped by microgravity

Open

Astronaut Ed Lu prepares for ISS Expedition Seven mission.

Open

STS-125 Astronaut Mike Good during SSATA chamber run

Open

Astronaut Ed Lu prepares for ISS Expedition Seven mission.

Open

Astronaut Don Pettit works inside the Kibo laboratory module

Open

Astronauts Don Pettit and Suni Williams pose for a fun holiday season portrait

Open

Expedition 30 crew member and ESA astronaut Andre Kuipers training in SSTF

Open

Astronaut Walter Schirra - Assisted - Sigma "7" Spacecraft - Cape

Open

Astronaut Alan Shepard - Pressure Suit - Mercury-Redstone (MR)-3 flight

Open

Astronaut Walter Schirra - Removal - Sigma 7 Capsule - USS Kearsage

Open

Astronaut Nichole Ayers prepares mixture tubes containng research samples

Open

Astronaut Butch Wilmore works outside the International Space Station

Open

CCP Astronauts - ISS EVA Maintenance 2 IG Training

Open

ASTRONAUT LOVELL, JAMES A., JR. - APOLLO VIII (GUIDANCE & NAVIGATION [G&N])

Open

Astronaut Stafford and Cosmonaut Leonov together in Soyuz Orbital Module

Open

JAXA astronaut and Expedition 28 crew member Satoshi Furukawa

Open

GEMINI-TITAN (GT)-11 - PRELAUNCH COUNTDOWN - ASTRONAUTS GORDON AND CONRAD - CAPE

Open

LIFTOFF - MERCURY-ATLAS (MA)-7 - ASTRONAUT CARPENTER, SCOTT M. - CAPE

Open

SUITING-UP - ASTRONAUT CARPENTER, M. SCOTT - TRAINING - CAPE

Open