Kepler’s latest planetary discoveries add to a growing list of nearby Earth-like worlds.
NASA's twin GRAIL satellites achieved lunar orbit and are preparing to map the Moon.
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 in progress--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 MESSENGER satellite has returned the first images from its orbit around Mercury.
A close view of the asteroid Kleopatra and its two moons gives clues to planet formation.
Become a citizen scientist and help measure light pollution in your area.