Planetary Science

  1. Astronomy

    Moon’s craters remeasured

    Large craters cover more of the moon’s surface on its nearside than its farside, according to new maps from NASA’s GRAIL spacecrafts.

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  2. Planetary Science

    Meteor explosions like this year’s Russian fireball more common than thought

    Chelyabinsk-sized rocks may come to Earth every 30 years, on average.

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  3. Planetary Science

    Moon material on Earth

    Scientists now think that tektites are a type of impactite, formed during the rapid heating and cooling of material ejected when a meteorite strikes Earth.

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  4. 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.

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  5. Astronomy

    Solar system with seven planets discovered

    Kepler data has identified a star with a seven-planet system structured similarly to the sun’s clutch of planets.

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  6. Planetary Science

    Carbonation may have grounded Mars’ atmosphere

    The chemical interaction could have forced Red Planet’s atmospheric carbon dioxide into the dirt.

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  7. Planetary Science

    A grander canyon on Mars

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

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  8. Planetary Science

    Natural space lens reveals planet

    Guest post by Andrew Grant.

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  9. Astronomy

    Water seen in rubble around star

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

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  10. Planetary Science

    Rare, free-floating exoplanet found

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  11. Planetary Science

    Neptune’s lost inner moon found

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  12. Planetary Science

    Fomalhaut star system is a triple

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