Greg Laughlin

Jun. 12, 2009

Colliding Planets (Don't Panic)

New research finds a small -- but present -- chance of a collision between Earth and one of its planetary neighbors in the next few billion years.

planet, colllision

Jan. 30, 2009

Heating Up on a Distant Planet

Astronomers have discovered an exoplanet that experiences temperature swings of as much as 700 degrees within a matter of hours -- and are working to model the weather patterns there.

astronomy, planet, star, exosolar planet, exoplanet

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Comet's Tail Shines Light on Sun

\tIn 2011, comet Lovejoy traveled through the sun’s corona and lived to tell the tale. But its tail was the most telling. Reporting in the journal Science, Cooper Downs, an astrophysicist at Predictive Science Inc. in San Diego, Calif., says that the wiggly path of the comet’s tail helps explain the sun’s magnetic field. \t 

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