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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Michael Pollan Talks Plants and Food

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Snowflake Safari

\tWinter weather means more than sledding and snowmen. Next snowstorm, grab a magnifying glass and try snowflake hunting. Bullet rosettes, stellar plates, and capped columns are just a few of the varieties of snow crystal you can find in your backyard. Kenneth Libbrecht, physicist at Caltech and snowflake expert, shares secrets of the snowflake.

\tVideo originally published on ScienceFriday.com on December 31, 2009

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