Worlds that circle stars other than our own are called “exoplanets.” This specific one could be the very first planet like ...

Every time we think we're in a class by ourselves, it's only a matter of time. Used to be our solar system had the most planets around a single star. But thanks to new data from NASA's Kepler ...

Only a handful of star systems have more than a single planet. With eight worlds, our solar system has long taken the prize for the biggest lineup. But no longer. Our corner of the galaxy now shares ...

NASA has announced the discovery of an Earth-like planet orbiting a Sun-like star that shares several other similarities with ...

Scientists continue to mine data gathered by NASA's Kepler Space Telescope, retired in 2018, and continue to turn up ...