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 ...

With an orbital period around one year, much like Earth's 13-hour transit duration, HD 137010 b tantalises as Earth 2.0.

Nasa's James Webb Space Telescope has delivered its most detailed look yet at TRAPPIST-1 e, a world scientists call a contender for "Earth 2.0," raising hopes that this distant exoplanet may possess ...