First Alien Star System With Eight Planets Found

An illustration of NASA's Kepler spacecraft, which started hunting for new planets in 2009. In a first for astronomy, scientists trained a neural network to sift through scads of data from a planet-hunting telescope, and it found a whole new world. Dubbed Kepler-90i, the newfound planet had been hiding in the buckets of data gathered by NASA's Kepler spacecraft. It joins seven other planets circling a star roughly 2,500 light-years away, which means the Kepler-90 system ties our own planetary family for hosting the most known worlds. "Kepler has already shown us that most stars have planets," NASA's Paul Hertz said during a press conference revealing the discovery.