It's merely the 48th brightest. The brightest is Sirius, the “Dog Star,” which rises in November. Polaris is also not one star. It's a triple star system, with the point of light you see ...

Astronomers measure a star’s brightness using the apparent magnitude system, where lower values indicate brighter stars.

NASA has identified a rare and unusual "blue lurker" star that was produced during the collapse of a triple-star system in ...

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 ...