E.T. Found? NASA's Mystery Announcement Spurs SpeculationNASA will be addressing the specifics of their discovery on Dec. 14, which the space program says was made using a "learning machine" produced by Google.
Scientists Discover First Earth-Sized Rocky Planet Like OursScientists have found a planet way out in the cosmos that's close in size and content to Earth — an astronomical first.
NASA's Kepler Space Telescope Dead But Mission Isn't Over YetNASA’S Kepler space telescope may be down and out but the space agency isn’t ready to call it quits completely.