NASA's elite planet-hunting spacecraft has been declared dead, just a few months shy of its 10th anniversary. Officials announced the Kepler Space Telescope's demise Tuesday. Already well past its ...

Launched by NASA in 2009, the Kepler space telescope was outfitted with equipment to discover and study Earth-sized planets in the Milky Way galaxy. It was named after the 17th century scientist and ...

Technicians working inside the Astrotech Space Operations facility near NASA's Kennedy Space Center look over the Kepler spacecraft soon after it arrived in Florida in preparation for launch. [Read ...

When the Kepler space telescope malfunctioned last spring, it looked as though its incredibly successful planet-hunting mission might be over—and NASA made that sad fact official a few months later.

After nearly a decade of groundbreaking exploration, NASA’s Kepler Space Telescope concluded its mission, leaving a lasting legacy in the search for exoplanets. The spacecraft, which confirmed the ...