Discovery and crew deliver the final set of solar arrays to the International Space Station.
Learn more about NASA spacecraft studying our home planet.
Honoring NASA's Heroes
After five years, the Mars Exploration Rovers are still studying Mars. Take a closer look at how they work.
Take a 3D look at NASA's new Lunar Electric Rover
At the end of a turbulent 1968, men from Earth traveled to another world for the first time and sent an inspiring message back home.
Look back on the top exploration and discovery stories of NASA's 50th anniversary year.
Follow the construction of this home away from Earth from the first element to the current configuration.
Learn about the parts and functions of an astronaut's personal spacecraft.
Endeavour and crew deliver equipment to the International Space Station.
NASA celebrates 50 years of innovation and discovery.
Explore virtual pavilions, clickable models and exhibits with your robot guide Automa.
Get a sneak peak at artwork celebrating NASA's half century of exploration.
Discover how space exploration impacts our lives.
Look at changes in global conditions over time.
Sally Ride became the first American woman in space on June 18, 1983.
See how astronauts' "personal spacecraft" have changed from Mercury to Shuttle and into the future.
NASA tests future technology for living and working on the surface of the moon.
The Space Ranger joins the crew of the shuttle Discovery.
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