Earth is the only life-supporting planet in our Solar System. Until now. Today, we’re bringing Kepler 22-b into our planetary ...

Imagine standing on the surface of an alien world nearly 600 light years away from Earth. The sky glows dim red instead of blue. Strange plants sway in the cold wind. Water glimmers in the distance.

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 ...

Kepler-186f, the first Earth-size planet in the “habitable zone” of another star, has been discovered by NASA. Astronomers using the agency’s Kepler Space Telescope found Kepler-186f orbiting a star ...

The amazing Kepler Space Telescope has now catalogued over 1,000 exoplanets. Among them are eight new planets located within habitable zones, including two that astronomers say are the most Earth-like ...

Whenever astronomers announce a discovery involving NASA's Kepler space telescope, the "Goldilocks" zone and rocky exoplanets, chances are it's cause for excitement. Scientists Tuesday confirmed eight ...

NASA's Kepler spacecraft has been quietly chugging along since 2009, looking for other planets that could potentially host life orbiting Sun-like stars. Today NASA announced that the space observatory ...

NASA’s Kepler mission successfully launched into space from Cape Canaveral Air Force Station, Fla., aboard a United Launch Alliance Delta II at 10:49 p.m. EST, Friday. Kepler is designed to find the ...