When Branes Collide

Do extra dimensions explain some of the mysteries of the universe? Or do they create more mysteries?

Beyond the Pale

Stars hide a wealth of information about the universe encoded in their colors

Pluto or Bust

Finally, a mission seems sure to head off for the last great unexplored world in our solar system.

Russian-Made Telescopes

New imports from LOMO America, the company responsible for Russia’s largest optical projects, offer Maksutovs for North American observers.

Celestial Portraits: Canes Venatici

A constellation highlighed by the Whirlpool Galaxy also holds many other bright star systems along with a pretty impressive globular custer.

Ask Astro

The editors of ASTRONOMY answer your questions about the sky and the universe.


Behind the Scenes
Sky Gem
Talking Back
Sky Show
Astronomy 101
The Savvy Astronomer
Strange Universe
Star Stuff
Looking Ahead
Advertiser Index
Hot Shots
Ultimate Exposure