NASA's elite planet-hunting spacecraft has been declared dead, just a few months shy of its 10th anniversary. Officials announced the Kepler Space Telescope's demise Tuesday. Already well past its ...

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 ...

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 ...

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 ...

NASA's planet-hunting mission, the Kepler Space Telescope, has just discovered Kepler-452b, a planet that scientists are calling "Earth 2.0." Scientists said in a press conference Thursday that they ...

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 ...