NASA's airborne observatory captures views unmatched by ground telescopes.
Recent finds add to a growing list of nearby Earth-like planets.
Twin satellites investigate the lunar surface and structure.
Curiosity rover launched on November 26, beginning its long journey to Mars.
Newly discovered dwarf galaxies are fast and furious in their production of stars.
Astronomers observe a rare supernova—the closest to Earth in nearly a century.
The WISE mission catches sight of a faint, elusive type of brown dwarf.
Scientists suspect a distant planet has a magnetic field.
The search for the intermediate objects between stars and planets.
MESSENGER returns the first images from its orbit around Mercury.