The Gamma-ray Large Area Space Telescope will answer questions about supermassive black hole systems, pulsars and the origin of cosmic rays.
Learn about the next mission to the International Space Station.
LRO will launch in late 2008 to find safe landing sites, locate potential resources and demonstrate new technology.
The Solar Dynamics Observatory, scheduled for launch in 2008, will help us understand the sun's influence on Earth by studying the solar atmosphere at multiple wavelengths.
The space shuttle is the most complex machine ever built and is helping build the International Space Station, the world's largest orbiting laboratory.