NASA's Kepler mission has confirmed 11 new planetary systems hosting 26 planets, bringing the total number discovered by the Kepler satellite to more than 60, the space agency announced on Thursday.

NASA has selected the Kepler Mission, a project based at Ames Research Center, Moffett Field, Calif., as one of the next two new NASA Discovery missions. Scheduled for launch in 2006, the Kepler ...

Delays fabricating precision optics for the Kepler space telescope, problems developing the planet-hunting satellite’s avionics system and budget constraints beyond the control of program managers all ...

Our galaxy teems with worlds, and very likely millions of these planets are similar in size to Earth. In other words, we probably aren't alone. That's one finding by NASA's Kepler spacecraft, launched ...

The Boulder-built Kepler spacecraft, which has dazzled scientists and sparked the public’s imagination in its four-year hunt for new planets, has malfunctioned and could be facing the end of its ...

While other Earth-like planets have been found, they’ve either been too hot or significantly larger than our planet — but Kepler 186f is only 10 percent bigger than Earth. And its 130-day orbit around ...

NASA confirmed on Thursday that its Kepler spacecraft cannot be fixed and that its original planet-hunting mission is over. Mission managers said they are unable to restart the wheels of a broken ...

After nine years of scanning the stars and discovering thousands of new planets, the Kepler space observatory has run out of fuel and this week was officially shut down by NASA. The spacecraft, which ...