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  • The 2006 Geminid Meteor Shower

    Dec. 12, 2006

    The best meteor shower of the year peaks this week on Thursday, Dec. 14th.

  • Martian Misinformation

    Aug. 25, 2006

    Contrary to a wide-spread report, Mars will not look as big as the full Moon on August 27th. In fact, The Red Planetwill be nearly invisible to the human eye. There is, however, something real to see on August 27th--a morning alignment of Venus and Saturn.

  • Bizarre Lunar Orbits

    Nov. 6, 2006

    Mysterious concentrations of mass in the Moon's ancient lava seas disturb the orbits of Moon-circling spacecraft. NASA is taking these "mascons" into account as the agency prepares to return to the Moon.

  • Mariner Meteor Mystery, Solved?

    Aug. 23, 2006

    In 1967, NASA's Mariner 4 spacecraft was hit by a surprising flurry of meteoroids--a shower more intense than any Leonid meteor storm. Where did the meteoroids come from? It's been a mystery for 40 years.

  • Solar Minimum has Arrived

    March 6, 2006

    Something's happening on the sun: all the sunspots have vanished. Solar physicists say this is a sign that solar minimum has arrived.

  • Lunar X Games

    Aug. 4, 2006

    The X Games are underway in Los Angeles. One day--who knows?--they might be held on the Moon.

  • The Pull of Jupiter

    May 4, 2006

    Right now, Jupiteris having a close encounter with Earth. The giant planet is very bright in the night sky and looks terrific through backyard telescopes.

  • An Alignment of Stars and Planets

    May 30, 2006

    Something remarkable is about to happen in the evening sky. Three planets and a star cluster are converging for a close encounter you won't want to miss.

  • In Search of Crater Chains

    May 12, 2006

    What happens when a fragmented comet hits the surface of a planet? It makes a chain of craters. Researchers are looking for evidence of these crater chains here on Earth.

  • Birthplace of Hurricanes

    July 26, 2006

    NASA researchers are joining an international campaign to catch hurricanes in the act of being born.