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.
The world of comets
A noted comet discoverer reflects on comets and the meaning of life.
Unlocking the mystery of comets
Today, comets are a sight to behold, but for most of history they were seen as harbingers of doom.
The science of comets
These mysterious iceballs are key to understanding our solar system’s history.
How to observe comets
Whether viewed through binoculars or a telescope or with your naked eyes, tracking down these celestial visitors is a rewarding challenge.
Great comets of our time
Take a trip down memory lane to revisit the most spectacular comets of the past half- century.
Catching comets on camera
These fleeting beacons from the outer solar system make for fantastic shots.
A gallery of great comets
Specters of comets have filled the night sky across the eons. Here are some of the recent best.