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

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.

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 ...

From degeneracy to galactic archaeology, white dwarfs are helping scientists make sense of some of the universe's burning mysteries.