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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.
How astronomers know the universe’s age
After decades of analyzing stars and the cosmic expansion rate, scientists nailed down the age of the universe — simply by listening.
A new eye on the violent universe
An observatory the size of Rhode Island seeks to understand the most energetic particles in the universe.
When Earth’s atmosphere encounters a subatomic particle packing 100,000 times more energy than the Large Hadron Collider can deliver, the fireworks can be impressive.
China’s race to study the cosmos
As this eastern nation grows prosperous, a renewed focus on science moves it closer to the forefront of research.
Explore spring’s best deep-sky objects
Whether you own a small or large telescope, you’ll experience some terrific celestial treats.
A day with two dawns
Perfect weather on eclipse morning brought stunning views of the solar corona, prominences, and two diamond rings, but it was just one highlight of our trips across Australia.
Get ready for Comet PANSTARRS
The brightest comet of the past six years will stand out in the evening sky.
Bob Berman’s Strange Universe
Glenn Chaple’s Observing Basics
Stephen James O'Meara’s Secret Sky
Tony Hallas’ Cosmic Imaging
Erika Rix’s Astro Sketching
The Sky this Month
StarDome and Path of the Planets
In Every Issue
From the Editor
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