Each spring, amateur astronomers attempt the ultimate stargazing challenge—an overnight quest to spot every galaxy, nebula, and star cluster in Charles Messier’s famous catalog. Photographer Alan Dyer ...

Not too long ago, if you wanted to witness the wonders of the universe, you'd need to lug around a bulky telescope and possibly spend hours making fine adjustments to zero in on celestial targets. ZWO ...

Tonight is "blue moon Eve" (see the May 31 entry for more details). Late tonight, look toward the southeast to see one of the sky's most striking color contrasts. The bright, nearly full moon will be ...

Reaching its highest point in the sky around 11 P.M. local daylight time tonight is the Swan Nebula (M17). This gorgeous deep-sky object is a fan favorite of amateur astronomers thanks to its ...