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 ...

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 ...

You thought the brightest star is Polaris, right? Or one of the stars in Orion? Nope! Sirius—the “Dog Star”—never seems to get the recognition it deserves. It’s the brightest star in the night sky by ...

Every night as you lie down to sleep there lies a sky just beyond your roof, full of millions of luminous spheres of plasma, or rather stars. “Sirius” — a star that lies in the Canis Major ...

The hot breath of summer greets us each morning as we enter the Dog Days, traditionally the steamiest time of the season. In the northern hemisphere the Dog Days run from mid-July to mid-August. In ...