Learn how to find Sirius and Procyon in the evening sky this week. Step-by-step guide includes constellation positions, companion stars and observing times.

Greetings everyone! February may be the shortest month but there’s something delightful happening at the end of this month. I ...

Since 1986 I have had an affiliation with the Hayden Planetarium in New York. My "official" title there is "Associate and Guest Lecturer." Indeed, through all of these years I given scores of ...

Looking for a sky event this week? Check out our full Sky This Week column. January 28: Boötes' brightest cluster, NGC 5466 Although the Moon is growing brighter, there's still plenty to see in the ...

The two brightest nighttime stars visible in the Pottsville sky are Sirius and Arcturus. April is the only month of the year when we can enjoy both of them at the same time in the early evening: ...

Learn how to spot Sirius, Procyon and their canine constellations, and discover the myths and science behind the dog stars.

The two brightest nighttime stars available in the Minnesota and Wisconsin sky are Sirius and Arcturus. April is the only month of the year we can enjoy both of them at the same time in the early ...