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Citizen Scientist Topics

  • Breathtaking Saturn

    2002April 6, 2011

    On Dec. 17, 2002, Earth and Saturn will have their closest encounter in nearly 30 years.

  • Venus Pillars and Dogs

    2002April 6, 2011

    If you look at Venus this month and something doesn't seem quite right, you may have spotted a rare Venus pillar ... or better yet, a Venusdog!

  • Reed Rafts to Rockets

    2002April 6, 2011

    High school students are following in the wake of great explorers as they launch extraordinary rockets toward a new frontier.

  • Meteorsfrom the Twilight Zone

    2002April 6, 2011

    The Geminid meteor shower, which peaks this year on Saturday morning, Dec. 14th, has begun. These Meteorscome from a curious object--a "Twilight Zone" cross between a comet and an asteroid--called 3220 Phaethon.

  • Space StationSupernova

    2002April 6, 2011

    Next week, sky watchers in many US cities can see the Space Stationmaterialize in the morning sky just before sunrise.

  • Horseflies and Meteors

    2002April 6, 2011

    Like bugs streaking down the side window of a moving car, colorful Perseid Earthgrazers could put on a remarkable show before midnight on August 12th and 13th.

  • Big Moonshine

    2002April 6, 2011

    Not all full Moons are alike. This week's will be the brightest of 2002 -- but will anyone notice?

  • Shuttle Sightings

    2005April 6, 2011

    Sky watchers, be alert: the Space ShuttleDiscovery and the International Space Stationare going to fly in tandem over parts of the United States this weekend.

  • Thanksgiving Skies

    2005April 6, 2011

    There are some things you can only see from the window of an airplane.

  • Shadows of Venus

    2005April 6, 2011

    The planet Venus is growing so bright, it's actually casting shadows. You may be able to see them this week.