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 ...

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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 ...

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 ...

(CNN) — When NASA’s next-generation space observatory launches in a few years, the Nancy Grace Roman Space Telescope will expand the search for exoplanets as well as rogue planets, or worlds that ...

When NASA's next-generation space observatory launches in a few years, the Nancy Grace Roman Space Telescope will expand the search for exoplanets as well as rogue planets, or worlds that travel ...