18 December 2013, 12:33 PM ET
An astronaut prepares for STS-38 by training underwater for EVAs.
17 December 2013, 09:46 AM ET
Astronaut Jerry Ross approaches the Assembly Concept for Construction of Erectable Space Structures device.
13 December 2013, 09:19 AM ET
A NASA engineer measures velocity and gradient distortion with lasers during a cold-flow propulsion research test.
12 December 2013, 12:45 PM ET
Astronaut Edward White II floats in the zero gravity of space.
11 December 2013, 10:03 AM ET
Astronaut Edwin E. Aldrin, Jr. stands next to a solar wind experiment during the Apollo 11 EVA.
10 December 2013, 10:03 AM ET
This experiment is designed to develop and demonstrate the technology required to use the Sun's energy for inexpensive space propulsion research.
09 December 2013, 10:46 AM ET
Astronaut John Swigert holds the rigged arrangement used to purge carbon dioxide from the Lunar Module during the Apollo 13 mission.
06 December 2013, 09:26 AM ET
The Aerosol Particle Analyzer flew on an Apollo earth orbital flight to measure microscopic liquid matter in the spaceship.
05 December 2013, 10:55 AM ET
This energy flash is the product of a projectile hitting a solid surface at up to 17,000 mph.
04 December 2013, 09:01 AM ET
The world's fastest submarine in 1950, the Albacore, is tested for drag characteristics in a NACA wind tunnel.
27 November 2013, 09:19 AM ET
The NASA 952 undergoes testing following the crash of a sister Lunar Lander Training Vehicle.
26 November 2013, 09:44 AM ET
A Space Shuttle Main Engine undergoing a full power second test firing.
25 November 2013, 09:54 AM ET
The spacecraft Galileo is prepared for its trip to Jupiter.
22 November 2013, 09:08 AM ET
Overnight on Jan. 28, 1986 icicles formed on the launch pad and service tower.
21 November 2013, 09:11 AM ET
The STS-107 Crew stands with the SPACEHAB during training.
20 November 2013, 09:11 AM ET
Discovery goes through the meticulous process of being prepared for liftoff on Mission STS-70 in early June of 1995.
19 November 2013, 09:19 AM ET
The Space Shuttle orbiter Endeavour flies atop NASA's Boeing 747 Shuttle carrier Aircraft.
18 November 2013, 10:13 AM ET
The Space Shuttle prototype Enterprise flies free after being released from NASA's 747 Shuttle Carrier Aircraft.
15 November 2013, 09:58 AM ET
The Solar X-ray radiation satellite, Vanguard satellite SLV-2, is being checked out at Cape Canaveral.
14 November 2013, 08:57 AM ET
This is the first "Zero" that came into Allied hands during World War II.
13 November 2013, 10:07 AM ET
The JATO team watches as Dr. Theodore von Karman sketches out a plan.
11 November 2013, 10:29 AM ET
At the Electronics Resource Center's Space Optics Laboratory, a laser is checked during operation.
08 November 2013, 09:08 AM ET
A celebration erupts at Mission Control after a successful splashdown of the Apollo 13 Odyssey.
07 November 2013, 09:21 AM ET
The plane is mounted in the 30 x 60 Full Scale Tunnel in 1934, prepared for testing.
06 November 2013, 09:14 AM ET
This picture shows the static test firing of the DM-2 for the Solid Rocket Booster.
05 November 2013, 09:39 AM ET
An historical moment is marked with the signing of a certificate on the rendezvous day of the Apollo-Soyuz spacecraft.
04 November 2013, 09:29 AM ET
Commander David R. Scoot works at Rover near the Hadley-Apennine landing site in the third EVA of the Apollo 15 mission.
01 November 2013, 10:13 AM ET
Replicas of the communication satellites used to broadcast the 19th Olympic Games from Mexico City to Japan and Europe.
31 October 2013, 10:17 AM ET
The Lockheed C-141 model is in the Transonic Dynamics Tunnel, the world's first aeroelastic testing tunnel.
30 October 2013, 10:17 AM ET
The OMEGA trains astronauts in zero-g on a horizontal plane.
29 October 2013, 01:49 PM ET
A photograph of the Apollo 16 lunar module known as Orion as seen by the Lunar Module pilot.
28 October 2013, 10:55 AM ET
The Apollo 16 command module shown before splashdown after completing a lunar landing mission.
25 October 2013, 10:54 AM ET
Mission commander Alan Shepard Jr. is shown during an EVA.
24 October 2013, 10:16 AM ET
Shelia Scott served as governor of the British section of the Ninety-Nines.
23 October 2013, 10:31 AM ET
A lunar panorama shows Geologist-Astronaut Harrison H. Schmitt working at the Lunar Roving Vehicle during the second Apollo 17 extravehicular activity.
22 October 2013, 03:57 PM ET
Gemini 6 view of Gemini 7 during rendezvous maneuvers.