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2013

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  • Rover: Conditions Once Suited for Life on Mars

    Rover: Conditions Once Suited for Life on Mars

    March 12, 2013

    An analysis of a rock sample collected by NASA's Curiosity rover shows ancient Mars could have supported living microbes.

  • See Mercury at Sunset

    See Mercury at Sunset

    Feb. 8, 2013

    The planet Mercury is about to make its best apparition of the year for backyard sky watchers. Look west at sunset for a piercing pink planet surrounded by twilight blue.

  • See Saturn at its Best and Brightest

    See Saturn at its Best and Brightest

    April 24, 2013

    Saturn and Earth are having a close encounter. See the ringed planet at its best and brightest on April 28th.

  • Solar Cycle Update: Twin Peaks?

    Solar Cycle Update: Twin Peaks?

    March 1, 2013

    Something unexpected is happening on the sun. 2013 is supposed to be the year of Solar Max, but solar activity is much lower than expected. At least one leading forecaster expects the sun to rebound with a double-peaked maximum later this year.

  • Solar Variability and Terrestrial Climate

    Solar Variability and Terrestrial Climate

    Jan. 8, 2013

    A new report issued by the National Research Council (NRC), "The Effects of Solar Variability on Earth's Climate," lays out some of the surprisingly complex ways that solar activity can make itself felt on our planet.

  • Solar Wind Energy Source Discovered

    Solar Wind Energy Source Discovered

    March 8, 2013

    Using data from an aging NASA spacecraft, researchers have found signs of an energy source in the solar wind that has caught the attention of fusion researchers.

  • Something Flare-y This Way Comes: The mini-Halloween Storms of 2013

    Something Flare-y This Way Comes: The mini-Halloween Storms of 2013

    Oct. 31, 2013

    Ten years after the original Halloween Storms, the sun is putting on a repeat performance--albeit not nearly so scary.

  • Spectacular New View of Saturn and Earth

    Spectacular New View of Saturn and Earth

    Nov. 13, 2013

    NASA has released a natural-color image of Saturn from space, the first in which Saturn, its moons and rings, and Earth, Venus and Mars, all are visible.

  • Strange Flames on the ISS

    Strange Flames on the ISS

    June 18, 2013

    Researchers experimenting with flames onboard the International Space Station have produced a strange, cool-burning form of fire that could help improve the efficiency of auto engines.

  • Sunset Comet

    Sunset Comet

    March 15, 2013

    Comet Pan-STARRS has survived its encounter with the sun and is now emerging from twilight in the sunset skies of the northern hemisphere. A NASA spacecraft has beamed back spectacular pictures of a "wild and ragged" tail behind the comet's active nucleus.