When you think about stars twinkling overhead, you probably don’t associate them with a color. But the star Sirius shifts through every color of the rainbow. That effect is thanks to the same ...

Sirius, also called the Dog Star, is the brightest star in Earth's night sky. Shining more brilliantly than any other star visible from Earth (excluding our sun, of course), Sirius is outshone only by ...

Step outside this week around 9 p.m. local time and look about one-third of the way up from the southern horizon, and your eyes will be met by a dazzling celestial solitaire: Sirius, the Dog Star. In ...

Our January night sky offers up some really amazing sights and some that are better viewed from remote locations. What about something that is equally fascinating and visible from the brightly lit ...

Everyone knows what the brightest star is, right? So what are you going to suggest? The North Star? Most people seem to think that, but most people would be wrong. In fact, the North Star—called ...