The Kepler telescope changed how we saw the sky. It’s just one of the devices we’ve sent out beyond the reach of humans to ...

Kepler-22b, located about 600 light years away, has a radius 2.4 times bigger than the Earth, making it the smallest planet ever found in the middle of the habitable zone around a ...

A hot, rocky planet discovered using the Kepler space telescope is the smallest ever found outside our solar system. The new planet, called Kepler-37b, has a radius less than a third the size of Earth ...

NASA’s Kepler spacecraft has discovered a “cousin” of Earth 1,400 light-years away. The exoplanet Kepler 452b orbits a sunlike star at about the same distance as Earth orbits the sun, scientists ...

SEATTLE — When astronomers announced Jan. 10 the discovery of Kepler-10b, they described the alien world as “unquestionably rocky.” Scientists have announced other rocky exoplanets in the past, but ...

NASA’s Kepler mission confirmed the discovery of its first rocky planet, named Kepler-10b. Measuring 1.4 times the size of Earth, it is the smallest planet ever discovered outside our solar system.

A decade after being found, the first exoplanet candidate spotted by the Kepler space telescope has been confirmed as a real world. The planet orbits a star initially dubbed KOI 4, for Kepler Object ...