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  • A Close Encounter with Jupiter

    March 3, 2004

    This week, Earth and Jupiterare only 400 million miles apart--the nearest the two worlds will be all year.

  • Was Galileo Wrong?

    May 6, 2004

    Could one of the fundamental assumptions of modern Physicsbe wrong? A group of NASA-supported researchers are going to find out by bouncing laser beams off the Moon.

  • Outbreak Alerts from Space

    March 12, 2004

    With the help of Earth-watching satellites, scientists can identify high-risk hot spots for deadly diseases before outbreaks strike.

  • Destination: Meridiani Planum

    Jan. 22, 2004

    On January 24, 2004, NASA's Mars rover Opportunity is scheduled to land on a Martian plain in search of evidence for water.

  • The Rise and Fall of the Mayan Empire

    Nov. 15, 2004

    NASA scientists are using space satellites to unravel one of the great mysteries of the ancient world. The long-lost secrets they're discovering could help modern people in Central America avoid the fate of the Maya.

  • Saturn Hailstorm

    July 9, 2004

    When Cassini reached Saturn On June 30th, it dashed through a gap in Saturn's rings, twice. One of onboard science instruments recorded a flurry of ring-dust harmlessly striking the spacecraft.

  • The Fruit Fly in You

    Feb. 3, 2004

    NASA-supported researchers are going to send fruit flies to the International Space Stationto learn what space travel does to the genes of astronauts.

  • Cold Peril: The Continuing Adventures of Ulysses

    March 17, 2004

    The NASA/ESA Ulysses spacecraft is perilously cold as it begins a newly extended mission to study the sun.

  • Electronic Nose

    Oct. 6, 2004

    NASA researchers are developing an exquisitely sensitive artificial nose for space exploration.

  • Stardust Surprise

    Jan. 16, 2004

    When NASA's Stardust spacecraft flew by Comet Wild 2 earlier this month, the probe saw something that surprised astronomers.