LOS ANGELES — NASA's planet-hunting Kepler telescope is broken, potentially jeopardizing the search for other worlds where life could exist outs...

By: Mike Wall Published: 05/01/2013 10:01 AM EDT on SPACE.com Health issues are jeopardizing the planet-hunting work of NASA's prolific Kepler spa...

News reports on the discovery of "habitable" planets are highly misleading. What scientists define as habitable just means that conditions may exist that are adequate for life based on carbon chemistry, such as the generic type of life we have on Earth.

By Davide Castelvecchi and Nature magazine Mysterious dense bodies outside the Solar System could be the remnants of ice giants similar to Neptune t...

NASA's Kepler mission has identified 461 new planet candidates, the space agency announced today. Four of the planet candidates orbit in their sun'...

Despite any inclination to believe yourself among the brightest bulbs around, new research indicates that even when the universe was considerably younger, there were heavy elements enough to spawn planets that could... spawn life.

Call it payday for planet hunters. The Kepler space telescope mission has detected 26 previously unknown planets orbiting their suns in 11 new planeta...