You’ll find several bright planets, stars and obvious constellations in the February evening sky. The most obvious ...

The separation between Rigel A and B is approximately 9″, the same as Sirius A and B ... NGC 2244 shines at magnitude 4.8, making it the sky’s 20th-brightest open cluster.

I pick out North America’s celestial highlights for the week ahead (which also apply to mid-northern latitudes in the ...

As we proceed into the heart of winter, this month’s Colorado sky displays a marvelous treasure trove of bright stellar gems that are the hallmark of the winter firmament.

Al Jabbar is one of the Arabic names for Orion, the “Hunter", one of winter's most conspicuous constellations.

It’s made of three moderately bright stars close together in a row and found high in the southern sky. Then look for ruddy Betelgeuse; it’s the upper left star in Orion, and bright Rigel is ...