President Kennedy's bold challenge set the nation on a journey unlike any before in human history--a journey to land on the moon.
The first international partnership in space wasn't the ISS or even the Shuttle-Mir missions; it was the Apollo-Soyuz Test Project.
Ares I-X completes a successful flight test.
Ares rockets and the Orion crew vehicle.
Exploring Comet Tempel 1 to determine the origins of life in our Solar System.
America's first artificial satellite.
FAST, the second mission in NASA's Small Explorer Satellite Program (SMEX), is a satellite designed to study Earth's aurora.
FUSE looks at light in the far ultraviolet portion of the electromagnetic spectrum.
Journey to Jupiter.
Bridge to the moon.
The search for origins.
The Glory mission failed to reach orbit after launch. Telemetry indicated the fairing did not separate as expected.
IMAGE is a mission to study the global response of the magnetosphere to the changes in solar wind.
Read more about past missions to the International Space Station.
After studying the Red Planet four times longer than originally planned, the Mars Global Surveyor orbiter succumbed to battery failure.
Mars Pathfinder was the first mission to deliver a lander and a free-ranging robotic rover to the surface of Mars.
America's First Space Program.
The search for possible conditions for life in the Martian arctic.
A journey through our solar system and beyond.
The mission's objective was to investigate the Venus's solar wind, map the planet's surface and study the upper atmosphere.
The Polar Mission was designed to obtain data from both high- and low-altitude perspectives of the polar region of geospace.
The Quick Scatterometer, or QuikScat, replaces the NASA Scatterometer (NSCAT) instrument on Japan's Midori satellite.
In the arena of space exploration, the U.S. and Russia share a history of competition and cooperation.
America's first space station and orbital science and engineering laboratory.
SAMPEX studies the energy, composition and charge states of particles from supernova explosions in the distant reaches of the galaxy, from the heart of solar flares and from the depths of nearby interstellar space.
Read more about past shuttle missions.
The Space Technology 5 (ST5) Project built and tested micro-satellites to validate new technologies for future science missions.
Exploring Comet Tempel 1
The Topex mission will collect information with which scientists can relate changes in ocean currents to atmospheric and climate patterns.
TRACE enables solar physicists to study the connections between fine-scale magnetic fields and the associated plasma structures on the Sun.
The Viking Mission to Mars: Determining whether life ever existed on Mars.
The Upper Atmosphere Research Satellite (UARS), launched in 1991, orbited at an altitude of 375 miles.
A mission to study the sun at all latitudes.