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 a user-friendly style that's perfect for astronomers at any level.

QUICK TAKES

Betelgeuse’s stellar sneeze

ARECIBO DISH DAMAGED AFTER CABLE SNAPS

Vader’s TIE fighter?

ADAPTIVE OPTICS

The best conjunction ever • Are you ready for the big event?

A penumbral challenge • Earth’s outer shadow can test the best of us.

20 years around the RED PLANET • Mars Odyssey’s future remains unknown, but a lack of advocacy might indicate its end is near.

Shining light on DARK NEBULAE • Take a tour of some of the Milky Way’s best shadowy dust clouds, as seen by the Gaia spacecraft.

DECEMBER 2020 A grand meeting of giants • THE SOLAR SYSTEM’S CHANGING LANDSCAPE AS IT APPEARS IN EARTH’S SKY.

RISING MOON • A striking glance

METEOR WATCH • A moonless show

STAR DOME • HOW TO USE THIS MAP

PATHS OF THE PLANETS • This map unfolds and colored dots show motions and locations of solar system objects during the month.

COMET SEARCH • Fast-moving target

LOCATING ASTEROIDS • Pebble in the jar

The mystery and majesty of the ICE GIANTS • Nearly 40 years after Voyager 2 visited Uranus and Neptune, scientists are eager for new expeditions.

MORE MYSTERY AND MAJESTY • Despite only one flyby’s worth of data to work with, scientists are finding ways to theorize and explore Uranus and Neptune from Earth.

Chill with year-end METEORS • Think the Perseids are the only shower worth watching? Think again.

Get ready for Starmus VI • The world-renowned festival announces a landmark event dedicated to Mars in 2021.

Astronomy guides: Readers’ picks • More recommendations to fill out your bookshelves.

Dissecting Andromeda • This holiday season, explore the soft glow of our cosmic neighbor.

NEW PRODUCTS

When supermassive black holes collide • Astronomy’s experts from around the globe answer your cosmic questions.

Cosmic portraits

BREAKTHROUGH

2021 Astronomys Guide to the Night Sky

February 2021 A trio of morning planets

STAR DOME