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  • A New Lunar Impact Observatory

    Sept. 28, 2007

    Researchers from the Marshall Space Flight Center have built a new "lunar impact" observatory in rural north Georgia. They're using it for their own cutting edge research and sharing the facility with local middle- and high-school students.

  • A Fantastic Monday Morning Sky Show

    Nov. 2, 2007

    On Monday morning, Nov. 5th, Space ShuttleDiscovery is scheduled to undock from the ISS while the pair are gliding over many US towns and cities. The two spaceships will cut across a glittering expanse of morning stars dotted by bright planets and a Venus-Moon conjunction.

  • The Equivalence Principle

    May 18, 2007

    In the folklore of physics, no story is better known than the tale of Galileo dropping balls from the Leaning Tower of Pisa and proving that gravity accelerates all objects equally regardless of their masses or composition. This is called the "equivalence principle," and it is a cornerstone of modern physics. But was Galileo correct?

  • Great Perseids

    July 11, 2007

    The Perseid meteor shower is coming, and experts say it should be a great show.

  • Mars Rovers Caught in Severe Dust Storm

    July 20, 2007

    A severe dust storm is underway on Mars, causing an energy crisis for NASA's Mars rovers. Dust in the atmosphere has blocked 99 percent of direct sunlight to Opportunity's solar panels.

  • A Giant Trilobite on the Sun

    Sept. 18, 2007

    Last week scientists converged on the Living With a Star workshop to share the latest research in solar physics. At one point, nearly 200 participants sat slack-jawed as they watched a new movie recorded by Japan's Hinode spacecraft showing a sunspot emerging from the depths of the sun.

  • A Breakthrough in Solar Storm Forecasting

    May 25, 2007

    A scientist using the Solar and Heliospheric Observatory (SOHO) has found a way to forecast solar radiation storms.

  • In the Blink of a Hurricane's Eye

    Nov. 9, 2007

    NASA-supported scientists are working on a new device to help predict the sudden transformation of tropical storms to deadly hurricanes.

  • Big Auroras on Jupiter

    March 29, 2007

    NASA's Chandra X-ray Observatoryhas observed some spectacular Northern Lights on the planet Jupiter.

  • Flying Into a Thunderstorm

    July 18, 2007

    This month in the skies above Costa Rica, scientists are flying into thunderclouds to learn more about the inner workings of furious storms.