Get to know the galaxy’s biggest, hottest, and most distant stars.
Astronomers don’t understand massive stars — rare beasts with short lives but lasting impact. These 10 questions rank among the most baffling.
Meet the neighbors
The nearest stars hide secrets that could help astronomers learn more about our Sun’s place in the galaxy.
Polaris, navigators’ guiding light, is evolving right before astronomers’ eyes.
Explore the Virgo cluster
Challenge yourself and your equipment by targeting some faint but fascinating galaxies.
This month, the Moon climbs farther north than at any time since 1987 and offers observers great views.
Eye on the southern sky
From film to digital imaging, this Chilean amateur astronomer does it all.
Two scopes in one
Starmaster’s new go-anywhere scope is a quick-change artist with two mounting options.
This month in Astronomy
Bob Berman’s strange universe
Glenn Chaple’s observing basics
Phil Harrington’s binocular universe
Two crabby clusters
The sky this month