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

PANSTARRS information

Comet C/2012 S1 (ISON)

ISON information

Web Extras
Go deeper into the stories of Astronomy magazine. These online features bring you additional research, interviews, photos, and more our editors turned up while creating the stories for this issue.
February 2006
Apollo landing sites
The space agency designed its lunar strategy with 10 landing sites in mind.
By Francis Reddy // Published: December 21, 2005
Resources
Learn more about topics from the February 2006 issue.
Published: December 21, 2005
Orion
Other binocular sights in the constellation Orion are sure to draw you out into the cold winter night.
By Phil Harrington // Published: December 21, 2005
Orbiting Venus
Venus Express promises to revolutionize scientists' understanding of our planetary neighbor, but it won't be alone.
By Francis Reddy // Published: December 21, 2005
Slipher Building
An asteroid-seeker talks about the search process and Clyde Tombaugh's impact on astronomy.
By Liz Kruesi // Published: December 21, 2005
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