Caltech's Galaxy Evolution Explorer public homepage. GALEX will measure the history of star formation in the Universe, 80% of the way back to the Big Bang.
NASA's Spitzer Space Telescope is a space-based infrared observatory, part of NASA's Great Observatories program (which also includes Hubble, Chandra, and Compton). This is the mission's official homepage, including mission information, pi...
The Cassini-Huygens Mission to the Saturnian system is a multinational cooperation between three space agencies and 17 nations. Starting in 2004, the spacecraft will explore Saturn, its mysterious rings and its many moons. The Cassini space...
The Jet Propulsion Laboratory is the lead U.S. center for robotic exploration of the solar system, and conducts major programs in space-based
Earth sciences and astronomy. JPL spacecraft have visited all of the planets from Mercury to Nep...
The European Space Agency portal features the latest news in space exploration, human spaceflight, launchers, telecommunications, navigation, monitoring and space science.