The weirdest star in the sky

What’s going on inside SS 433, a strange star discovered more than 25 years ago, remains a mystery today.

Descendants of the Dipper

The Big Dipper’s extended family tells astronomers about the behavior of young stars and the chemical evolution of our galaxy.

Coyne of the realm

Father George Coyne, the Vatican’s chief astronomer, discusses faith, science, and big telescopes with Astronomy’s editors

Explore the spring sky

Springtime’s night sky is resplendent with double stars, galaxies, and star
clusters for you to observe.

Join the search for space rocks

Amateur astronomers are discovering hordes of asteroids. You can, too.

Striking ancient skies

Ancient Greeks and Romans minted celestial images on their coins, letting us see the sky through their eyes.

A planetary pioneer

Walter Haas bridged the gap between amateur and professional astronomers when he founded the Association of Lunar and Planetary Observers in 1947.

Meade’s new 14-inch SCT: an instant classic

A computer-controlled giant, this new Schmidt-Cassegrain telescope
combines great optics and superb mechanical design.


This month in Astronomy
Beautiful universe
Bob Berman’s strange universe
Glenn Chaple’s observing basics
The sky this month
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