NASA's Chandra X-ray Observatory was launched and deployed by Space Shuttle Columbia on July 23... View Mission

Launched in June 2008, Fermi, NASA's largest gamma-ray observatory, has opened a wide window on... View Mission

The Hubble Space Telescope's launch in 1990 sped humanity to one of its greatest advances in... View Mission

ESA's INTEGRAL is providing new insight into the most violent and exotic objects of the Universe... View Mission

The Kepler Mission, a NASA Discovery mission, was designed to survey a region of the Milky Way... View Mission

The Large Binocular Telescope Interferometer (LBTI) is part of NASA's overall effort to image... View Mission

The Neutron star Interior Composition ExploreR (NICER) is a NASA Astrophysics Explorer Mission... View Mission

The Nuclear Spectroscopic Telescope Array is an Explorer mission that allows astronomers to... View Mission

SOFIA is the largest airborne observatory in the world, and makes observations that are... View Mission

The Spitzer Space Telescope (formerly SIRTF, the Space Infrared Telescope Facility) was launched... View Mission

Swift is a first-of-its-kind multi-wavelength observatory dedicated to the study of gamma-ray... View Mission

XMM-Newton, the X-ray Multi-Mirror Mission, is the second cornerstone of the Horizon 2000... View Mission