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  • Strange Space Weatherover Africa

    Nov. 13, 2007

    Scientists are converging on Ethiopia this week to discuss a new and strange form of Space Weatherover Africa.

  • A Star with a Comet's Tail

    Aug. 15, 2007

    Astronomers have discovered something they've never seen before: a star with a tail like a comet.

  • Asteroid Shower

    Dec. 3, 2007

    Mark your calendar: The best meteor shower of 2007 peaks on Friday, December 14th.

  • Metric Moon

    Jan. 8, 2007

    It's official: The Moonis on the metric system. NASA is returning to the Moon, and the agency has decided to use metric units for all future lunar operations.

  • Watch Out for Flying Moondust

    Nov. 23, 2007

    New research by NASA scientists shows that moondust kicked up by the jets of lunar landers can go on a fantastic journey, completely circling The Moonbefore settling back to the ground. This interesting phenomenon may affect the planning of lunar outposts and other activities as NASA prepares its return to the Moon.

  • Asteroid Threatens to Hit Mars

    Dec. 21, 2007

    NASA-funded astronomers are monitoring a Tunguska-sized asteroid that will pass within 30,000 miles of Mars on Jan. 30, 2008. Based on data currently available, the space rock has a 1-in-75 chance of actually hitting Mars and blasting a crater more than half-a-mile wide.

  • A Cool Solar Mystery

    Feb. 20, 2007

    One pole of the sun is cooler than the other. That's the surprising conclusion announced today by scientists who have been analyzing data from the ESA-NASA Ulysses spacecraft.

  • Summer Moon Illusion

    June 27, 2007

    For sky watchers in the northern hemisphere, this weekend is the best time of the year to experience the mysterious and beautiful Moon Illusion.

  • The Sun Rips off a Comet's Tail

    Oct. 1, 2007

    Earlier this year, Comet Encke was passing a little too close to the Sun when a coronal mass ejection (CME) hit the comet and ripped off its tail. NASA's STEREO spacecraft was watching and recorded a must-see movie featured in today's story.

  • The Universe Through the Looking Glass

    Sept. 7, 2007

    Astronomers at NASA's Marshall Space Flight Center are testing a strangely-shaped mirror that will allow them to explore the Universe using super-energetic X-rays.