Scientists with NASA announced they have discovered an Earth-sized planet that is likely rocky – and could be habitable. The planet, named TOI 700 e, is slightly smaller than Earth and orbits a red ...

Astronomers have spent the past decade cataloguing thousands of planets beyond the solar system, many of them falling into a ...

NASA’s Kepler mission has discovered the first Earth-size planets orbiting a sun-like star outside our solar system. The planets, called Kepler-20e and Kepler-20f, are too close to their star to be in ...

Astronomers Discover a Rogue Planet the Size of Saturn Drifting Through Our Galaxy ...

Add Yahoo as a preferred source to see more of our stories on Google. An illustration of an ice covered rogue planet. New predictions suggest an upcoming NASA space telescope could spot over 400 Earth ...

Using publicly available data from NASA’s Kepler space telescope, astronomers at the Harvard-Smithsonian Center for Astrophysics (CfA) estimate that six percent of red dwarf stars in the galaxy have ...

Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

University of Toulouse and University of Montreal researchers have detected two planets of sizes comparable to Earth orbiting around an old star that has just passed the red giant stage. This ...