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.
August 2006
Murray Meteorite
A meteorite specialist finds eBay to be a useful space-rock resource.
By Thomas H.Burbine, Jr. // Published: June 26, 2006
Resources
Learn more about topics from the August 2006 issue.
Published: June 26, 2006
Book icon
Discover this month's offerings of astronomy titles.
Published: June 26, 2006
Extinct
The Meteor Crater impact event killed off most plant and animal life in the near vicinity, but it was nothing compared to our planet's mass extinctions.
By Liz Kruesi // Published: June 26, 2006
Dust grains from Comet Wild 2
NASA's mission to retrieve comet dust found material from the wrong side of the solar system.
By Francis Reddy // Published: June 26, 2006
Sagittarius
Take a tour of Sagittarius during Phil's favorite month.
By Phil Harrington // Published: June 26, 2006
Police video of the Park Forest bolide
The 2003 shower of meteorites near Chicago was a replay of the event that gave birth to meteorite science.
By Bill Cooke // Published: June 26, 2006
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