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.
Tension at the Heart of Cosmology
Astronomers have found two different – and mutually exclusive – values for the expansion rate of the universe.
New Horizons swings past Ultima Thule
The historic encounter gave us our first close-up look at a Kuiper Belt object, the most distant body we have ever explored.
The Outer Limits universe
Objects briefly seen on television over 50 years ago make terrific targets for today’s amateur astronomers.
The paper trail of astronomy
Transient treasures of word and art show that our science has a rich and colorful past.
Mission complete for Opportunity rover
After 15 years exploring the Red Planet, the Mars Exploration Rover mission has ended.
The story behind Stellarvue
From the start, this company’s goal was the perfect telescope.
Sky this Month
StarDome and Path of the Planets
In Every Issue