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The world's best-selling astronomy magazine offers you the most exciting, visually stunning, and timely coverage of the heavens above. Each monthly issue includes expert science reporting, vivid color photography, complete sky coverage, spot-on observing tips, informative telescope reviews, and much more! All this in an easy-to-understand, user-friendly style that's perfect for astronomers at any level.
What are galaxies trying to tell us?
Astronomers are using the latest techniques to learn what gives galaxies their shapes, what governs their interaction, and how they evolve.
Captured moons of the giant planets
Most satellites of the outer solar system didn't form with their host planets. So where did they come from?
Where has all the lithium gone?
A relative lack of lithium in ancient stars means scientists don't completely understand how stars evolve or how the Big Bang forged the first elements.
The paltry amount of lithium in ancient stars raises questions about exactly how nucleosynthesis played out in the early universe. But cosmologists have a pretty good handle on how nuclear reactions created hydrogen and helium.
How to hunt galaxies from the suburbs
You can see galaxies through moderate light pollution. The key is knowing where to look.
Why Gen X and Y should care about astronomy
It doesn't take a genius to see the lack of young adults in our hobby. Yet an appreciation of the universe should be right up their alley.
How the equatorial mount changed astronomy
An innovative design that allowed telescopes to track the sky made it the star of the 19th century — and today.
Bob Berman's Strange Universe
Glenn Chaple's Observing Basics
Stephen James O'Meara's Secret Sky
David H. Levy's Evening Stars
Tony Hallas Imaging the Cosmos
The Sky this Month
In Every Issue
This Month in Astronomy
Astronomy's new digital star atlas
Exoplanet's odd hot spot puzzles scientists
The Cosmic Grid
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