Planetary Science

  1. 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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  2. 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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  3. 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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  4. 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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  5. 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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  6. 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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  7. 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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  8. 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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  9. Planetary Science

    A different view of Uranus’ rings

    The rings of Uranus are now tilted edge on to Earth, revealing small, inner rings made of fine dust.

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  10. Planetary Science

    Geyser gawker: Plans for a closer look at Enceladus

    The Cassini spacecraft will change course to take a close look next March at plumes of water vapor emanating from the south pole of Saturn's moon Enceladus.

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  11. Planetary Science

    Idiosyncratic Iapetus

    The strange appearance of Saturn's moon Iapetus suggests that it was frozen in shape soon after birth, providing a glimpse into conditions in the early solar system.

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  12. Planetary Science

    Deep Impact and Stardust: Still on assignment

    Two sturdy NASA spacecraft have new assignments, studying comets and looking for exoplanets.

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