Gaze at the night sky enough, and you'll begin to find all kinds of geometric patterns among the stars. Points are easy; so are lines connecting two stars. Another easy pattern is a triangle, since ...

The Summer Triangle asterism, composed of Altair, Deneb, and Vega, is currently visible rising in the east after sunset in the Northern Hemisphere. Vega (magnitude 0), Deneb (magnitude 1.3), and ...

The summer triangle — the quintessential astronomical sign that days are getting longer and hotter — is back in June. The harbinger of summer nights comprises three electric-blue stars from three ...

Gaze at the night sky enough, and you’ll begin to find all kinds of geometric patterns among the stars. Points are easy; so are lines connecting two stars. Another easy pattern is a triangle, since ...

Gaze at the night sky enough, and you’ll begin to find all kinds of geometric patterns among the stars. Points are easy; so are lines connecting two stars. Another easy pattern is a triangle, since ...

Tomorrow evening will see Saturn and a waxing gibbous moon rising together in the southeast at sunset. Saturn will be bright enough to see it to the lower right of the nearly full moon. Although both ...