Astronomy celebrates 40 years! |
In August 1973, Steve Walther published the first issue of Astronomy magazine. See how the publication has changed as Editor David J. Eicher looks back on the past four decades. Watch now » |
Astronomy 101: Gamma-ray bursts | In this new video, Associate Editor Sarah Scoles explores the brightest events in the universe. Watch now » |
Liz & Sarah's Cosmic Adventures: The dark universe | In this episode, Associate Editors Liz Kruesi and Sarah Scoles describe the composition of the cosmos — with a little help from demos. Watch now »
|
| |
|
|
|
The Sun showed the remnants of an M5 class flare on its western limb when the imager captured this shot. It originated in active region 11745. What st...
Read more »
|
|
|
|
 If you've read any of my columns in Astronomy, you know that I do a lot of ...
Read more |
 Orion's 2" Low-Profile Dual-Speed Hybrid Reflector Focuser uses a special g...
Read more.
|
 Olivon produces its 80° ED Wide Angle Eyepieces with focal lengths of 1...
Read more.
|
|
|
 In this video, Liz and Sarah describe how much normal matter, dark matter, and dark energy the cosmos holds — with a little help from demos. Read more.
|
|

May 23–30, 2013: The star in Canes Venatici known as La Superba is an excellent target for binocular observers, globular cluster M80 in Scorpius offers small-telescope owners nice views, and large-telescope owners can seek out the Coma Galaxy Cluster (Abell 1656) in Coma Berenices.
Read more.
|
|
|
|
Online Poll
|
|
Astronomy PLUS Features
Astronomy magazine subscribers have exclusive access to this premium content
and more.
|  |
Map stars, comets, asteroids, and more for your location
|
Zoom through 45,000 stars on 24 interactive maps
| June: A trio of evening planets | | |
Expert observers help you make the most out of the sky
|
Astronomy answers your questions | Go deeper into the stories printed in Astronomy |
|
|
 |
Look for this icon. This denotes premium subscriber content.
Learn more » |
Receive news, sky-event information, observing tips, and more from Astronomy's weekly e-mail newsletter
|