Planetary Science

  1. Planetary Science

    A grander canyon on Mars

    Hebes Chasma, a huge trough on Mars, reflects the Red Planet’s tumultuous and varied past.

    By Sarah Zielinski
  2. Planetary Science

    Natural space lens reveals planet

    Guest post by Andrew Grant.

    By Science News
  3. Astronomy

    Water seen in rubble around star

    Hubble sees debris that was part of an asteroid with the ingredients for habitable planets.

    By Meghan Rosen
  4. Planetary Science

    Rare, free-floating exoplanet found

    By Ashley Yeager
  5. Planetary Science

    Neptune’s lost inner moon found

    By Ashley Yeager
  6. Planetary Science

    Fomalhaut star system is a triple

    By Ashley Yeager
  7. Planetary Science

    Supervolcanoes once erupted on Mars

    Giant eruptions billions of years ago left behind huge craters

    By Meghan Rosen
  8. Planetary Science

    Maps reveal clouds on distant exoplanet

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

    By Ashley Yeager
  9. Planetary Science

    Titan’s plastic atmosphere

    By Ashley Yeager
  10. Planetary Science

    Curiosity gets the dirt on Mars

    The NASA rover completes an analysis of the first soil collected from Gale Crater.

    By Beth Mole
  11. Planetary Science

    Comet belt predicted near farthest planet

    Observations have confirmed the existence of the Kuiper Belt, first proposed in 1963.

    By Science News
  12. Planetary Science

    Mars rover fails to find methane

    A dearth of the gas in the Red Planet's atmosphere disappoints scientists looking for signs of biological activity.

    By Erin Wayman