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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Astronomers do not have a photo of Kepler-22b, but they used the so-called 'transit method' to detect it from 640 light-years away ...

Overlooked in the Kepler data and discovered by a citizen scientist, HD 137010 b is one of the most interesteing exoplanets yet observed. Check out A Cool Earth-sized Planet Candidate Transiting a ...