Features

Probing Our Local Cloud

A tenuous cloud of gas – the remains of a star that blew up millions of years ago – surrounds the Sun and its family of planets.

The Red Planet’s Colorful Past

For more than a century, astronomers have wondered whether life exists on Mars. Are they any closer now to knowing the truth?

Galileo Opens New Vistas

The spacecraft reveals a magnetic field for Ganymede, possible “stealth Plumes” on Io, and a dynamic Great Red Spot on Jupiter.

Sky Almanac

A brilliant comet vies with Mars for evening supremacy, but don’t overlook a deep partial eclipse of the Moon.

Choosing the Right Film for Hale-Bopp

Capturing wonderful images of the comet isn’t all that hard, as long as you pick the best film for the job.

Peeling Away the Overcast

If you know what to look for, the daily weather forecast can clue you in to how good the night’s observing will be.

Your Guide to Observing Mars

With the Red Planet looming large, observers will get beautiful views of icy polar caps and dark surface markings.

Truck Your Scope around in Style

This easy-to-build tripod frame will help get you and your telescope outside and ready to observe in no time.

Departments

Behind the Scenes
Letters
AstroForum
AstroNews
Amateur News
New Products
AstroBytes
Astronomy Books
Resources & Photofacts
Meetings and Events
Advertiser Index
Reader Reports
Ultimate Exposure