Year of the Comet
Comet C/2011 L4 (PANSTARRS)

PANSTARRS information

Comet C/2012 S1 (ISON)

ISON information

Press Releases
January 2009
Your source for astronomy expertise — Astronomy magazine editors are here to help enrich media and blogger coverage of meteor showers, space missions, and night-sky events.
March 2009 Astronomy magazine
This month's issue of Astronomy magazine discusses how certain spacecraft aren't following our current theory of gravity, offers the latest news from the Cassini and MESSENGER missions, provides tips on building a backyard observatory, and more.
Published: January 28, 2009
All month, Earth's sister world appears high and bright in the night sky after sunset for easy viewing.
Published: January 12, 2009
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