19 February 2014, 10:06 AM ET
A technician checks the soil sampler before the Viking Lander goes to Mars.
18 February 2014, 09:55 AM ET
The FIDO Rover undergoes field test to prepare for conditions on Mars.
14 February 2014, 11:30 AM ET
Two people get a unique perspective of the environment during a zero gravity flight.
13 February 2014, 11:01 AM ET
An image shows the orange-soil discovered during the second Apollo 17 EVA and the gnomon, a geology hand tool used by astronauts.
12 February 2014, 10:56 AM ET
The Deep Space 1 Technology Demonstrator features many new technologies, but none so high-tech as the ion propulsion system.
11 February 2014, 10:07 AM ET
From above, a dramatic view as a space shuttle orbiter is lifted from its stack.
10 February 2014, 11:03 AM ET
Astronaut Kathy Thornton prepares to release the damaged Hubble Space Telescope array after removing it.
07 February 2014, 09:12 AM ET
The Mars Surveyor Climate Orbiter undergoes testing to simulate launch conditions.
06 February 2014, 02:01 PM ET
Vice President Bush stands inside Spacelab with two astronauts.
05 February 2014, 11:28 AM ET
The Ranger fleet of spacecraft enabled live transmissions of the moon from lunar orbit.
04 February 2014, 10:11 AM ET
Ed White became the first American to step outside his spacecraft and let go on June 3, 1965.
03 February 2014, 10:44 AM ET
Former President Jimmy Carter presents the National Space Club's Goddard Memorial Trophy to NASA Administrator Dr. Robert A. Frosch for efforts in the Voyager mission.
31 January 2014, 10:49 AM ET
Viking, the planetary landing spacecraft, is under assembly.
30 January 2014, 09:05 AM ET
The five-member crew of the Space Shuttle Atlantis during STS-74 peer at Mir.
29 January 2014, 01:23 PM ET
The three men who designed, built, and operated the Explorer I satellite celebrate.
27 January 2014, 11:04 AM ET
An astronaut prepares to install protective covers on the Hubble Space Telescope.
24 January 2014, 11:43 AM ET
The Lunar Module Spider is attached to the Saturn IVB in Earth orbit.
23 January 2014, 11:36 AM ET
For the first time, a single crew member attempts to capture the Intelsat VI.
22 January 2014, 04:37 PM ET
A seamstress, with assistance from three others, creates a possible replacement sunshade for the Skylab Orbital Workshop.
21 January 2014, 08:43 AM ET
Astronaut Michael Gerhardt stands on the Manipulator Foot Restraint during his STS-69 Extravehicular Activity.
17 January 2014, 09:48 AM ET
NASA engineers test multi-lobed air bags to protect the Mars Pathfinder spacecraft.
16 January 2014, 12:49 PM ET
The Space Shuttle Atlantis lands with its drag chute deployed.
15 January 2014, 09:23 AM ET
The orbiter Discovery shown as it rolls over to the Vehicle Assembly Building.
10 January 2014, 09:52 AM ET
Before the Voyager spacecraft were launched in 1977, a prototype was put through vibration tests.
09 January 2014, 08:00 AM ET
Astronaut Edward White awaits Gemini IV's launch in the crew's ready room.
07 January 2014, 09:26 AM ET
The two astronauts are conducting Detailed Test Objective procedures in the payload bay of Endeavour.
06 January 2014, 10:49 AM ET
The Cassini Saturn probe goes though vibration and thermal testing in preparation for its four year mission.
03 January 2014, 01:32 PM ET
The Star Trek actress, Nichelle Nichols, was employed by NASA to recruit new astronauts into the late 1980s.
02 January 2014, 11:55 AM ET
Ken Strite inspects the connection between the Space Shuttle Discovery and the external tank to be used during STS-103 mission launch.
31 December 2013, 11:27 AM ET
Marjorie Townsend, the first woman to receive an engineering degree from George Washington University, discusses the X-ray Explorer Satellite with a colleague.
30 December 2013, 09:42 AM ET
This launch vehicle is designed to carry a payload equal to the size and weight of those on a space shuttles.
26 December 2013, 01:04 PM ET
Crew members of the STS-49 mission captured the satellite on the third attempt.
24 December 2013, 10:47 AM ET
Dr. Goddard observes a launch from his control shack.
23 December 2013, 11:23 AM ET
An astronaut peeks inside the flight deck during his EVA on STS-49.
20 December 2013, 09:48 AM ET
This aircraft is undergoing a test in a wind tunnel at Langley.
19 December 2013, 09:44 AM ET
An astronaut and a cosmonaut shake hands during the STS-71 mission.