Scientists have confirmed Kepler-452b as the most Earth-like planet ever found, orbiting a sun-like star 1,400 light-years ...

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: ...

In October 2018, NASA's Kepler space telescope ran out of fuel after nine years of surveying the wider cosmos, looking for alien worlds. During its mission, Kepler discovered more than 2,600 weird and ...

Buried in data from the now-defunct Kepler space telescope, astronomers have uncovered an exoplanet some 300 light-years away that could be a promising home for alien life. The world, named ...