12 March 2014, 10:56 AM ET
A Soviet test engineer drinks from a water dispenser in the Soyuz spacecraft mock-up.
11 March 2014, 11:03 AM ET
Engineers check out the world's first communication satellite known as the Early Bird.
07 March 2014, 09:45 AM ET
Two astronauts await recovery after completing the Gemini VIII mission.
05 March 2014, 09:28 AM ET
An astronaut takes a hot bath on the Skylab space station.
04 March 2014, 11:46 AM ET
Two astronauts repair the Solar Maximum Mission Satellite during an EVA on STS-41C.
03 March 2014, 12:52 PM ET
NASA technicians wear cleanroom attire to inspect the Pioneer III probe prior to its trip to Cape Canaveral, FL.
28 February 2014, 01:56 PM ET
Two astronauts prepare to leave Discovery's airlock for a spacewalk.
27 February 2014, 02:51 PM ET
This panoramic image is the first photograph taken of Mars by Voyager 1's Camera 1 in 1976.
26 February 2014, 10:09 AM ET
Testing at the Icing Research Tunnel resulted in ice formations on the propeller and fuselage surfaces of this engine.
25 February 2014, 01:57 PM ET
JPL's Space Flight Operations Facility began with tracking the Ranger 7 mission in 1964 and later collected the tracking and scientific information for the Deep Space Network.
24 February 2014, 12:17 PM ET
Voyager 2, arriving at Jupiter four months after Voyager 1, was actually launched 16 days before its mate.
21 February 2014, 09:47 AM ET
Dr. Robert Goddard, namesake for the Goddard Space Flight Center, is known as a pioneer in American Rocketry.
20 February 2014, 11:15 AM ET
An artist's conception of the ACTS just after release from the space shuttle's cargo bay in September of 1993.
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.