NASA astronaut Chris Cassidy, Expedition 36 flight engineer, uses a still camera to photograph hardware in the Destiny laboratory of…
NASA astronaut Chris Cassidy, Expedition 36 flight engineer, is pictured near a computer in the Japanese Kibo laboratory of the…
NASA astronaut Chris Cassidy, Expedition 36 flight engineer, works with an Extravehicular Mobility Unit (EMU) spacesuit in the Quest airlock…
Dr. John Holdren, Director of the Office of Science and Technology Policy, 3rd from left, meets with members of the…
The Prandtl-D subscale flying wing model banks for a right turn over the desert during its first flight on Aug.…
The optics module of the James Webb Space Telescope's primary imager, the Near Infrared Camera, arrived at NASA’s Goddard Space…
This color image, taken on May 1, 2013 by the Wide Angle Camera (WAC) instrument aboard NASA's MESSENGER spacecraft orbiting…
Artist concept of the Space Launch System (SLS) blueprint.
This image shows two of the galaxy clusters observed by NASA's Wide-field Infrared Survey Explorer (WISE) and Spitzer Space Telescope…
Official crew photo of the Apollo 11 Prime Crew. From left to right are astronauts Neil A. Armstrong, Commander; Michael…