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  • Darwinian Design - Survival of the fittest spacecraft

    1999April 6, 2011

    NASA scientists plan to 'breed' better spacecraft using artificial intelligence. Such a strategy mimics nature, and may be one of the most efficient methods of future spacecraft design.

  • Great Geminids!

    1999April 6, 2011

    On December 13 and 14, 1999, fragments of the mysterious asteroid 3200 Phaethon will strike Earth's atmosphere and produce a beautiful sky show. The Geminids offer the last chance in 1999 for skywatchers to view a dazzling meteor shower. Follow the action at Geminids.com.

  • Riding the Highways of Light

    1999April 6, 2011

    Science mimics science fiction as a Rensselaer Professor builds and tests a working model flying disc. The disc, or "Lightcraft," is an early prototype for Earth-friendly spacecraft of the future.

  • Y2K Meteor Burst

    1999April 6, 2011

    One of the most intense and least observed annual meteor showers peaks on the morning of Jan. 4, 2000. The Quadrantids will be the first major meteor display of the New Year. Follow the shower at Quadrantids.com.

  • Old photographic technique applied to future energy research

    1999April 6, 2011

    Specially made photographic emulsions, made by NASA scientists, assist in advanced studies of fusion research at Lawrence Livermore Laboratory.

  • MeteorsDown Under

    1999April 6, 2011

    On May 6th debris from Halley's comet will strike Earth's atmosphere and put on a sky show for southern observers. The eta Aquarid meteor display is the first of two upcoming annual showers caused by the famous comet.

  • Halley's comet returns in bits and pieces

    1998April 6, 2011

    Bits of Halley's comet make a reappearance Oct 21 and 22 during the the 1998 Orionids meteor shower. Debris particles from Halley will strike the Earth's atmosphere at 90,000 mph and cause as many as 20 shooting stars per hour.

  • Up, Up, and Away to the Leonids

    1998April 6, 2011

    Science Balloon Captures Eight Fireballs on Video from 100,000 Feet Up.

  • Bunches of Geminids

    1998April 6, 2011

    Last weekend observers around the globe were treated to one of the strongest Geminid meteor showers ever. Next year could be even better. This article includes a video clip of Geminid and Leonid Meteorsstreaking through the constellation Orion.

  • The Leonid Sample Return Mission

    1998April 6, 2011

    NASA Scientists hope to capture a Leonid meteoroid to look for the stuff of life in comet Tempel-Tuttle.