NASA's Kepler mission has discovered two new planetary systems that include three super-Earth-size planets in the "habitable zone," the range of distance from a star where the surface temperature of ...

PASADENA, Calif. — NASA’s Kepler mission has discovered two new planetary systems that include three super-Earth-size planets in the “habitable zone,” the range of distance from a star where the ...

Astronomers studying data from NASA's retired Kepler space telescope discovered a new system of seven "scorching" planets orbiting a distant star that is bigger and hotter than the sun, the space ...

“This is an artist impression of the newly discovered planets named Kepler-62e and 62-f. Both are super-Earths that are located in the habitable zone of a distant sun-like star. The largest planet in ...

Earth just got a new cousin. NASA’s Kepler telescope has discovered a new planet that is the closest mimic of our celestial home ever known. Stare at the constellation Cygnus in the night’s sky, and ...

Space-watchers saw the handwriting on the wall months ago, but now it’s official: NASA’s Kepler spacecraft, by far the most successful planet-hunting telescope in history, isn’t coming back. Engineers ...