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  • Starshine 2 Return

    April 25, 2002

    A glittering satellite named Starshine 2 will disintegrate in Earth's atmosphere on April 26th.

  • Relax, it's only April

    April 24, 2002

    The five brightest planets are converging in the western sky for an eye-popping show in May 2002.

  • Clouds in the Greenhouse

    April 22, 2002

    As vexing as they are beautiful, clouds play an important role in Earth's planetary greenhouse.

  • Great Intergalactic Cobwebs

    April 19, 2002

    Astronomers using NASA's FUSE spacecraft have spotted vast clouds between galaxies that might permeate the early Universe like a tangled spider's web.

  • Rift Valley Fever

    April 17, 2002

    Scientists are learning that the key to predicting certain epidemics -- like Rift Valley fever in Africa or Hanta virus in the U.S. -- lies in an unexpected place: the ocean.

  • Earthshine

    April 12, 2002

    Northern spring is the best time to spot one of the loveliest sights in the heavens: Earthlight reflected from the Moon.

  • Hawaii's Wake

    April 10, 2002

    Scientists have discovered something nearly invisible that straddles the vast Pacific Ocean: Hawaii's surprising island wake.

  • Tick-Tock Atomic Clock

    April 8, 2002

    Scientists are building atomic clocks that keep time with mind-boggling precision. Such devices will help farmers, physicists, and interstellar travelers alike.

  • Hitchhiker's Guide to an Asteroid

    April 5, 2002

    Learning what near-Earth Asteroidsare made of and how they're put together is simply prudent. NASA's NEAR spacecraft got a closer look at one when it landed on 433 Eros in 2001.

  • My Pet Neutron Star

    April 3, 2002

    Using a new form of matter called Bose-Einstein condensates, researchers are bringing Astrophysicsfrom deep space right into their laboratories.