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  • Space Porch Open for Business

    Aug. 7, 2009

    Barely two weeks after it was installed by the crew of Space ShuttleEndeavour, the Japanese-built platform is already bustling with experiments in Astronomyand space physics--and that's just for starters.

  • Kepler Detects an Exoplanet Atmosphere

    Aug. 6, 2009

    NASA's new planet-hunting Kepler space telescope has detected the changing phases and atmosphere of a planet a thousand light years away.

  • What Hit Jupiter?

    Aug. 3, 2009

    Two weeks after something slammed into Jupiter, creating a cloud of debris that is still easy to see through backyard telescopes, researchers are wondering ... what was the impactor?

  • The 2009 Perseid Meteor Shower

    July 31, 2009

    Earth is entering a stream of debris from Comet Swift-Tuttle, setting the stage for the 2009 Perseid meteor shower.

  • Longest Solar Eclipse of the 21st Century

    July 20, 2009

    The longest solar eclipse of the 21st century takes place this Wednesday, July 22nd. The path of totality crosses many major cities, setting the stage for possibly the best-observed eclipse in human history.

  • Exploring the Moon, Discovering Earth

    July 17, 2009

    Forty years ago, Apollo Astronautsset out on a daring adventure to explore the Moon. They ended up discovering their own planet.

  • Apollo Landing Sites Photographed

    July 17, 2009

    NASA's Lunar Reconnaissance Orbiter has returned its first imagery of Apollo landing sites. The pictures show lunar module descent stages, scientific instruments and even 40-year-old foot trails made by Astronautswalking across the dusty lunar surface.

  • Wide Awake in the Sea of Tranquillity

    July 15, 2009

    Why couldn't Neil Armstrong fall asleep on the Moon? The answer is revealed in today's suspenseful story from Science@NASA.

  • The Beating Heart, Minus Gravity

    July 10, 2009

    When Astronautstravel through space, the human heart loses something it needs: the Earthly pull of gravity. Is this a problem? NASA is launching a new study to find out.

  • Moonship Photographed by Backyard Astronomers

    July 9, 2009

    Amateur astronomers have photographed NASA's LCROSS spacecraft en route to an October crash landing on the Moon. Observers say the spacecraft is surprisingly easy to photograph, and NASA hopes more amateurs will give it a try.