Exoplanets

  1. Astronomy

    Scalding hot gas giant breaks heat records

    KELT 9b’s sun blasts it with so much radiation that the planet’s dayside is hotter than most stars and its atmosphere is being stripped away.

    By Maria Temming
  2. Astronomy

    Magnetism disrupts winds on ‘hot Jupiter’ exoplanet

    Simulations of HAT-P 7b’s magnetic field give clues to why the exoplanet’s winds blow both east and west.

    By Ashley Yeager
  3. Planetary Science

    Watery exoplanet’s skies suggest unexpected origin story

    Compared with Neptune, HAT-P-26b’s atmosphere has few heavy elements, suggesting it formed differently than the ice giants in Earth’s solar system.

    By Ashley Yeager
  4. Astronomy

    Hydrogen volcanoes might boost planets’ potential for life

    Volcanoes that spew hydrogen could increase the number of potentially habitable planets in the universe.