If you’re looking for Earthlike planets around other stars — places about the size and temperature of our own planet, where life could in theory be found — it might seem like a letdown to stumble ...

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 ...

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 ...

The search for planets outside our solar system continues to heat up. NASA’s Kepler spacecraft has located more than 1,200 planetary candidates, however confirming them remains a challenge. In some ...

AMES, Iowa – An international team of astronomers has used nearly three years of high precision data from NASA’s Kepler spacecraft to make the first observations of a planet outside our solar system ...

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 ...

As if further evidence of its resolving power was needed, NASA’s Kepler planet finder has located a planet circling a star similar to the Sun that is only slightly larger than the Moon. Called ...