The 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 an orbiting planet might be suitable for liquid water.” Five planets are in the Kepler-62 system, and two planets are in the Kepler-69 system. Two planets from the Kepler-62 system–62e and 62f–and one... 

Next-door neighbour: An artist’s impression of the recently found planet orbiting Alpha Centauri B, a member of the triple star system that is the closest to our own (click on the image to enlarge it) An Earth-sized planet has been found orbiting a star in Alpha Centauri, our nearest neighbouring solar system. The mystery world circling Alpha Centauri B is thought to be much too hot to support...