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Citizen Scientist Topics

  • Mars meets anti-Mars

    1999April 6, 2011

    The Red PlanetMars and the brilliant red star Antares pass less than three degrees apart this week. The pair are easy to find in the night sky just after sunset. Stargazers with dark skies can catch a glimpse of the Galactic Center region at the same time.

  • A Whale of A Full Moon

    1999April 6, 2011

    A bigger, brighter Moon will herald the beginning of northern winter on Dec. 22, 1999 as lunar perigee, the winter solstice, and the full Moon all happen within a 10 hour period.

  • Look at that Sunspot Go!

    1999April 6, 2011

    On Monday afternoon, November 15, the planet Mercury will pass in front of the Sun creating a speedy dark spot on our star that can be seen through properly filtered telescopes.

  • The Vanishing Rings of Saturn

    2008April 6, 2011

    Amateur astronomers around the world have noticed, something is happening to Saturn. The planet's rings are rapidly narrowing and, if this continues, before long they'll be just a wafer-thin line almost invisible to backyard telescopes.

  • Halloween Sky Show

    2008April 6, 2011

    The planets are gathering for spooky sunset sky show on Oct. 31st. Read today's story to find out where to look.

  • Saturn's Crazy Christmas Tilt

    2008April 6, 2011

    The planet Saturn is doing something rare and beautiful this holiday season. Find out what in today's story from Science@NASA.

  • Spectacular Conjunction

    2008April 6, 2011

    Venus and Jupiterare converging for a spectacular three-way conjunction with the crescent Moon--a rare gathering some are calling 'the sky show of the year.' Today's story tells when and where to look.

  • Venus and JupiterConverge

    2008April 6, 2011

    The two brightest planets are converging for a beautiful close encounter on Friday morning, February 1st.

  • Partial Eclipse, Total Fun

    2008April 6, 2011

    This Friday, August 1st, millions of people in China will witness a well-publicized total eclipse of the sun. Less widely reported is the partial eclipse, which *billions* of people across a quarter of the globe can observe and enjoy.

  • Planets Align for the 4th of July

    2008April 6, 2011

    Look beyond the fireworks on 4th of July weekend. A trio of worlds is converging for a pretty sunset sky show.