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.
A universe of galaxies
The universe is awash in islands of matter — some 100 billion galaxies make up the basic building blocks of the cosmos.
Welcome to the neighborhood
The Milky Way and Andromeda rule over a motley collection of a few dozen galaxies.
All about our local supercluster
The Virgo Supercluster spans 10 times the diameter of the Local Group, gathering smaller groups and clusters of galaxies together into a galactic megacity.
How to observe galaxies
It’s the most difficult observing you’ll ever do. It’s also the most rewarding.
Galaxies at the edge of the universe
The most distant galaxies are not only some of the most ancient, but also form the scaffolding upon which the entire cosmos is built.
How galaxies interact
Today’s galaxies represent billions of years of mergers — some quiet, others not so much.
Glimpsing the hearts of galaxies
Inside all huge galaxies lies a supermassive black hole. Some are shining brightly, while others are barely visible — but all of them can teach us something about how galaxies evolve.
Sky this Month
StarDome and Path of the Planets
In Every Issue