Tonight's Sky
Sun
Sun
Moon
Moon
Mercury
Mercury
Venus
Venus
Mars
Mars
Jupiter
Jupiter
Saturn
Saturn

Tonight's Sky — Change location

OR

Searching...

Tonight's Sky — Select location

Tonight's Sky — Enter coordinates

° '
° '

September 2021

00012
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.

Features

Dark matter: The unusual suspects

Astrophysicists have compiled the culprits for dark matter — but still lack the evidence to convict any of them.

Untangling the Tarantula Nebula

This vast cosmic cloud gives us a spectacular close-up view of stars bursting into life.

Discover the strangest galaxies in the sky

Crashing, colliding, and tangoing, these peculiar galaxies reveal the grand evolution of the cosmos.

Deep astroimaging in Hydrogen-alpha

Designed for astrophotographers, the Canon Ra specializes in capturing the reddish cosmic glow that’s invisible to many other devices.

The next 20 years of solar eclipses

This list will help you plan the spots where you’ll stand beneath the Moon’s shadow.

Celebrating a century of variable star astronomy

Since its founding in 1911, the American Association of Variable Star Observers has been an indispensable organization for amateur astronomers, engaging stargazers in exploring the night sky.

Explore the sky with Oberwerk binoculars

High-quality optics, comfortable eyepieces, and impressive features make the 20×65 ED Deluxe binoculars ideal for any astronomer.

Departments

Ask Astro
StarDome and Path of the Planets

In Every Issue

Breakthrough
Astro News
Advertiser Index
Letters
New Products
Reader Gallery
ADVERTISEMENT
FREE EMAIL NEWSLETTER

Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. View our Privacy Policy.

ADVERTISEMENT
ADVERTISEMENT
Apollo_RightRail
A chronicle of the first steps on the Moon, and what it took to get there.
Find us on Facebook