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 immense is the universe?
Unfettered by tales of science fiction, the cosmos is almost incomprehensibly large.
Our solar system: Realms of fire and ice
We start your tour of the cosmos with gas and ice giants, a lot of rocks, and the only known abode for life.
The Milky Way: Earth’s home galaxy
Giant clouds of gas and dust sprinkled with splashy star clusters adorn the Milky Way’s spiral arms, while the galaxy’s vast halo teems with darker matter.
The Local Group: Our galactic neighborhood
The Milky Way’s family of galaxies is locked in a multi-billion-year battle for gravitational supremacy.
The Virgo Supercluster: Our 100,000 closest galaxies
Small groups combine with larger clusters to form a vast network of interconnected galaxies that spans 110 million light-years.
Limits of the cosmos: The far reaches of space
Everything astronomers have learned points to a universe populated by superclusters of galaxies, incredibly long filaments, and colossal voids.
Sky this Month
StarDome and Path of the Planets
In Every Issue
From the Editor