Planetary Science

  1. Planetary Science

    Salt streaks sign of present-day water flows on Mars

    Salt deposits on Mars hint at contemporary seasonal water flows on the Red Planet.

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  2. Planetary Science

    Salt streaks point to present-day water flows on Mars

    Salt deposits on Mars hint at contemporary seasonal water flows on the Red Planet.

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  3. Planetary Science

    67P reveals recipe for a comet

    Rosetta’s comet 67P probably started out as two smaller comets.

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  4. Planetary Science

    Mysterious circles appear, grow on comet

    The Rosetta spacecraft caught five circular depressions quickly spreading across a region of comet 67P.

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  5. Planetary Science

    ‘The Martian’ is entertaining science fiction rooted in fact

    With NASA’s help, filmmakers made story of astronaut stranded on Mars believable.

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  6. Planetary Science

    Enceladus’ ocean goes global

    A subsurface liquid water ocean envelops Saturn’s icy moon Enceladus.

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  7. Planetary Science

    Mars’ ionosphere mystery explained

    A decades-old disagreement between the Viking landers and spacecraft buzzing around Mars might come down to what time of day each was investigating the Red Planet’s ionosphere.

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  8. Planetary Science

    Satellite captures double solar eclipse in action

    NASA’s Solar Dynamics Observatory caught a rare double eclipse as both Earth and the moon partially blocked the sun.

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  9. Planetary Science

    Asteroid impacts may explain Venus’ missing oxygen

    Asteroid impacts on Venus might have helped sequester oxygen left behind when Earth’s sister planet lost its water, new simulations show.

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  10. Planetary Science

    The first spacecraft buzzed a comet today in 1985

    Thirty years ago, a spacecraft became the first to fly past a comet.

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  11. Planetary Science

    New Pluto photos show unprecedented detail

    New images from the New Horizons spacecraft show off Pluto and Charon in unprecedented detail.

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  12. Planetary Science

    Ceres’ mysterious bright spots come into focus

    The Dawn spacecraft gets its best look yet at bright spots on Ceres.

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