The next great space telescope takes shape

Once it launches, the James Webb telescope will explore distant galaxies, stellar nurseries, and exoplanet atmospheres in detail no ground-based observatory can touch.

Web extra: Looking forward to Webb’s view of the past

Once the James Webb Space Telescope reaches its final orbit, the complex process of deploying the massive instrument will begin.

Welcome to the Galaxy zoo!

Ordinary people classifying galaxies makes one of the world’s most enjoyable citizen science projects also one of the most successful.

Web extra: Go beyond the Galaxy Zoo classifications

Despite the scientific advances thanks to Galaxy Zoo’s simple classifications, galaxies are actually a little more complicated than that.

Letter to Galileo – How astronomy has changed over the past 400 years

If Galileo could see us now, what would he think about our study of the cosmos?

Web extra: Astronomy’s year was 2009

You could call it “astronomy’s birthday party.”

The king of planets reigns in September

With the giant planet bigger and brighter than it’s been in more than a decade, let the cry go forth: It’s Jupiter time!

Web extra: A Jupiter photo gallery

Enjoy great shots from planetary imagers we’ve received through the years.

Astronomy‘s first annual Star Products

Amateur astronomers take note: You might want to add these 35 products to your holiday wish list.

A night at Granite Gap

Astronomy, geology, history, and much more are converging in a big way in southwestern New Mexico. And amateur astronomers will benefit the most.

Web extra: Read more about the darkest skies

One of these three sites on the Arizona-New Mexico border may be the future home of your observatory.


This Month in Astronomy
Web Talk
Bob Berman’s Strange Universe
David H. Levy’s Evening Stars
Astro News
The Sky this Month
Advertiser Index
New Products
The Cosmic Grid
Tony Hallas’ Imaging the Cosmos
Deep-sky Showcase
Reader Gallery