Astronomy Magazine - Interactive Star Charts, Planets, Meteors, Comets, Telescopes

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Cosmic Adventures: The search for extraterrestrial intelligence

In this new episode, Liz and Bill talk seriously and scientifically about aliens. Watch the video »

2012 Youth Essay Contest

Tell us what you love most about astronomy and win a trip to the 2012 Northeast Astronomy Forum in Suffern, New York. Learn more »

Astronomy 101: Planets

Associate Editor Bill Andrews explores the variety of worlds both within our stellar neighborhood and throughout the galaxy. Watch the video »

News

The week in pictures: January 28–February 3, 2012

"The week in pictures" highlights the amazing discoveries and cutting-edge res... Read more »

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Picture of the Day

Comet Garradd encounters M92

When comets float by deep-sky objects, the combination can be beautiful. But it’s also deceiving. Here, Comet C/2009 P1 (Garradd) passes globular clus... Read more »

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Web Extras for Magazine Subscribers

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.

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See more SOFIA

Whether on the ground or in the air, NASA’s flying observatory is a wonder to behold.

The first test of Einstein's gravity

Scientists first found evidence that general relativity was correct about four years after Einstein published his theory.

Catch May's annular eclipse

Find the details about the event for your location.

Our Blogs

Staff Blog

Here’s meteorite in your eye!
Posted: 1/26/2012 9:15:00 AM
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It’s all in the instrument renaming
Posted: 1/24/2012 9:57:00 AM
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Kids: It’s time to tell us what you love most about astronomy!
Posted: 1/17/2012 12:14:00 PM
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Dave's Universe

Come to Hawaii for the transit of Venus!
Posted: 2/3/2012 11:41:00 AM
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Sheldon Reynolds’ Images of Life
Posted: 2/2/2012 11:10:00 AM
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IBEX illuminates a dark corner of our neighborhood
Posted: 2/1/2012 1:32:00 PM
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Equipment

Astronomy tests two tracking mounts

Earth’s rotation creates a problem for photographers who want to image ... Read more

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Celestron X-Cel LX 18mm Eyepiece

Celestron’s 1¼" X-Cel LX 18mm Eyepiece incorporates six elements of ful... Read more.

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Explore Scientific 9mm 120° Series Argon-Purged Waterproof Deep Sky Eyepiece

Explore Scientific’s 9mm 120° Series Argon-Purged Waterproof Deep Sky E... Read more.

NASA spacecraft returns first video from farside of the Moon

Students nationwide will be using MoonKAM to select lunar images for study.Read more.

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PODCASTS

Six open clusters in Canis Major

February 2–9, 2012: Open clusters NGC 2345, NGC 2354, NGC 2367, NGC 2374, NGC 2383, and NGC 2384 are all visible through small telescopes, and all lie in the same constellation — Canis Major. Read more.

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Online Poll

If you could spend a day with one of these men who had a great impact on astronomy, whom would you choose?

Alvan Clark (telescope-maker)
Albert Einstein (physicist)
Carl Friedrich Gauss (mathematician)
Johannes Kepler (mathematician)
Isaac Newton (mathematician)

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Astronomy PLUS Features

Astronomy magazine subscribers have exclusive access to this premium content and more.

StarDome Plus Map stars, comets, asteroids, and more for your location	Star Atlas Zoom through 45,000 stars on 24 interactive maps	Sky this Month March: Mars returns to glory

Columnists Expert observers help you make the most out of the sky	Ask Astro Astronomy answers your questions	Web Extras Go deeper into the stories printed in Astronomy

Special Issues and More

Astronomy Magazine:The Complete Collection 1973-2010

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World's Greatest Telescopes

For 400 years, telescopes have helped us gaze out at the universe. Now the focus shifts back to the instruments themselves in Astronomy’s new special issue, The World’s Greatest Telescopes!

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50 Weirdest Objects in the Cosmos

The collection of oddities will introduce you to strange objects you may not know and help you look at a few familiar objects in a different light!

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