Shining just a trifle less than Sirius, the brightest star in the sky, Mars comes to opposition on Jan. 16 and a few days prior to that, on Jan. 13, will be briefly hidden by the full moon across ...

into the sky. Mount Washington — Sparkling, blue-white Sirius the Dog Star, the brightest star in the night sky, rises in the east-southeast 20 minutes after sunset this evening and will rise ...

This week’s first small-telescope target is Sirius B, the companion to the night sky’s brightest star, Alpha (α) Canis Majoris. American telescope-maker Alvin Graham Clark discovered that ...

For the ancient Egyptians, the stars were more than a spectacle; they were essential to life. Astronomy played a key role in ...

White dwarf star Sirius B revealing behind barren rocky asteroid field. Concept 3D animation floating pan shot. Iron and heavy elements orbiting in starry wind after hydrogen burning and supernova.