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2012

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  • Meteor Smoke Makes Strange Clouds

    Meteor Smoke Makes Strange Clouds

    Aug. 7, 2012

    A key ingredient of Earth's strangest clouds does not come from Earth. New data from NASA's AIM spacecraft proves that "meteor smoke" is essential to the formation of noctilucent clouds.

  • NASA's Curiosity Rover Caught in the Act of Landing

    NASA's Curiosity Rover Caught in the Act of Landing

    Aug. 6, 2012

    With split-second timing, NASA's Mars Reconnaissance Orbiter has captured an amazing snapshot of Curiosity parachuting to the surface of Mars.

  • NASA Lands Car-Size Rover Beside Martian Mountain

    NASA Lands Car-Size Rover Beside Martian Mountain

    Aug. 6, 2012

    NASA's most advanced Mars rover Curiosity has landed on the Red Planet. The one-ton rover, hanging by ropes from a rocket backpack, touched down onto Mars Sunday to end a 36-week flight and begin a two-year investigation.

  • The Summer of 2012 -- Too Hot to Handle?

    The Summer of 2012 -- Too Hot to Handle?

    Aug. 3, 2012

    Are the heat waves of summer 2012 a sign of climate change, ordinary weather, or some mixture? Earth scientists discuss the possibilities in today's story from Science@NASA.

  • Curiosity's First Daredevil Stunt

    Curiosity's First Daredevil Stunt

    Aug. 2, 2012

    When Curiosity enters the Martian atmosphere on August 6th, setting in motion "the seven minutes of terror" that people are buzzing about, the rover will actually be performing the mission's second daredevil stunt. The first was completed in July.

  • Strange but True: Curiosity's Sky Crane

    Strange but True: Curiosity's Sky Crane

    July 30, 2012

    How do you gently lower a massive SUV-sized nuclear-powered rover to the surface of Mars without making an SUV-sized crater? NASA's solution for Curiosity will be attempted for the first time on August 5/6 when they lower the rover to the red sands of Mars using a Sky Crane.

  • Mars Landing Sky Show

    Mars Landing Sky Show

    July 29, 2012

    On the same night Curiosity lands on Mars, a "Martian Triangle" will appear in sunset skies of Earth. The first-magnitude apparition on August 5th gives space fans something to do while they wait for news from the Red Planet.

  • Satellites See Unprecedented Greenland Ice Sheet Surface Melt

    Satellites See Unprecedented Greenland Ice Sheet Surface Melt

    July 24, 2012

    For several days this month, Greenland's surface ice cover melted over a larger area than at any time in more than 30 years of satellite observations. Nearly the entire ice cover of Greenland experienced some degree of melting, according to measurements from three independent satellites.

  • A Taste of Solar Maximum

    A Taste of Solar Maximum

    July 20, 2012

    Forecasters say solar maximum is still a year away. Earlier this month sky watchers got a taste of things to come when a powerful flare sparked Northern Lights over the United States as far south as Arkansas, Colorado and California.

  • Opportunity Runs the First Martian Marathon

    Opportunity Runs the First Martian Marathon

    July 18, 2012

    More than 8 years after landing on the Red Planet, Mars rover Opportunity is still running. Indeed, mission planners say the tireless robot is poised to complete a full marathon--the first ever long-distance race on an alien planet.