After nearly ten years and 2,681 planets, it's time to say good-bye to the Kepler space telescope. NASA has announced that the mission has ended. Unlike more open-ended missions like Curiosity or ...

NASA's Kepler spacecraft is proving itself to be a prolific planet hunter. Within just the first four months of data, astronomers have found evidence for more than 1,200 planetary candidates. Of those ...

Relative sizes of the newly discovered habitable-zone planets and Earth. Left to right: Kepler-69c, Kepler-62e, Kepler-62f and Earth (except for Earth, these are artists' renditions). Image credit: ...

Scientists analyzing four years of data from NASA’s Kepler mission have released a new catalog of exoplanet candidates. The catalog adds more than 500 new possible planets to the 4,175 already found ...

Something is hiding inside Kepler-51d, and it’s doing a remarkably good job of it. About 2,615 light-years away in the ...

IMAGE: Among thousands of known exoplanets, MIT astronomers have flagged three that are actually stars. Pictured is an artist’s interpretation of stars and planets. CREDIT: NASA A new study published ...

The unusual system of three “super puff” planets has at least one more planet, revealed by its gravitational tug on other planets An unusual planetary system with three known ultra-low density ...

Although NASA agreed that the search for Earth-sized planets around sun-like stars was an important one, Boruki’s initial proposals for the mission were rejected because there was no proof that the ...