The Canis Majoris, pictured here, appears close to Orion's Belt in the night sky. No. The North Star, called Polaris, is actually much dimmer than other stars, ranking about 50th in brightness in ...

The star VY Canis Majoris is a red hypergiant, one of the largest known stars in the Milky Way. It is 30-40 times the mass of the Sun and 300 000 times more luminous. In its current state ...

VY Canis Majoris is a giant star rapidly losing weight. Astronomers have figured out what causes this weight loss.