Planetary Science

  1. Planetary Science

    Gassy Geysers: Cassini surveys Saturn’s moon

    NASA's Cassini spacecraft had a close encounter with the giant vapor plume gushing from Saturn's tiny moon Enceladus.

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  2. Planetary Science

    Titan may harbor underground ocean

    Observations by the Cassini spacecraft hint that Saturn's smog-shrouded moon Titan may harbor a global ocean of water and ammonia 100 kilometers below its surface.

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  3. Planetary Science

    Dusty Clues: Study suggests no dearth of Earths

    A new study suggests that many, or perhaps most, sunlike stars have planets much like Earth.

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  4. Planetary Science

    A sunlike star’s early development

    A new infrared portrait of an embryonic sunlike star reveals an early, crucial step in the process of planet formation.

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  5. Planetary Science

    Sister Planet: Mission to Venus reveals watery past

    The Venus Express probe has found evidence that Venus once had more water than it does today, and has provided new measurements of the weather on Venus, proof of lightning on the planet, and signs of a formerly unknown hot spot near its south pole.

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  6. Planetary Science

    Chilled Out? Ice could lurk beneath Martian equator

    An immense volume of ice-rich material may underlie a formation that extends about one-quarter of the way around Mars' equator.

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  7. Planetary Science

    Portrait of a Martian crater

    An ultrasharp image of part of Mars' Gale crater shows waterborne sediments and volcanic ash.

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  8. Planetary Science

    Titan: Land of lakes—and drizzle

    A newly assembled mosaic of radar images of Saturn's moon Titan shows what appear to be hydrocarbon lakes and seas.

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  9. Planetary Science

    Martian rovers survive storm

    Three months after being stymied by a planet-wide dust storm, NASA's twin Mars rovers are back in action.

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  10. Planetary Science

    Neptune’s balmy south pole

    Neptune's south pole is about 10°C warmer than any other place on the planet.

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  11. Planetary Science

    Muddying the Water? Orbiter drains confidence from fluid story of Mars

    New images of Mars diminish the evidence that liquid water has flowed on some parts of the planet, but bolster the case in other places.

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  12. Planetary Science

    Survivor: Extrasolar planet escapes stellar attack

    An extrasolar planet survived after its aging parent star ballooned into a red giant that almost engulfed it.

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