Almost directly overhead in this month’s early-evening Colorado sky, an observer can view one of summertime’s more prominent constellations, Cygnus the Swan. The principal stars of this constellation ...

Albireo (β Cygni), located in the constellation Cygnus, is a double star system easily observable in the eastern sky after sunset during summer months. Albireo's components exhibit contrasting colors, ...

Photo of the constellation Cygnus with annotations from IAU and Sky & Telescope. Here is the non-annotated version. You've heard of the Southern Cross in the Southern Hemisphere's night sky, but what ...

September’s superb nocturnal sights are redoubled this year with an extravagant bestowal of stunning beauties wedded to a wandering dazzler. September is a time to soar. Beneath dark skies, look ...