Collection: Exoplanets

More Stories in Exoplanets

  1. Planetary Science

    Exoplanet mass revealed in light

    A new method could help identify habitable planets.

  2. Astronomy

    Billions and billions of Earth-sized planets call Milky Way home

    Using Kepler data, astronomers estimate that a sizeable fraction of the galaxy’s sunlike stars have Earth-sized planets that could support liquid water.

  3. Astronomy

    An Earth-sized hell circles faraway star

    Kepler-78b, an Earth-sized, extremely hot exoplanet made of rock and iron, is the smallest with known diameter and mass.

  4. Planetary Science

    Rare, free-floating exoplanet found

  5. Planetary Science

    Fomalhaut star system is a triple

  6. Planetary Science

    Maps reveal clouds on distant exoplanet

    Astronomers chart the atmosphere of Kepler-7b, some 1,000 light-years away.

  7. Planetary Science

    Gone perhaps, but Kepler won’t soon be forgotten

    Astronomers look forward to building on the planet-hunting telescope's discoveries.

  8. Astronomy

    Most Earthlike planets yet seen bring Kepler closer to its holy grail

    Space telescope finds globes that, compared with our world, are slightly larger and orbit a smaller star.

  9. Planetary Science

    Distant planets’ atmospheres revealed

    Telescopes get first direct glimpse of gases on exoplanets.