The two brightest nighttime stars available in the Minnesota and Wisconsin sky are Sirius and Arcturus. April is the only ...

A type Ia supernova occurs when a white dwarf — the cooling remnant of an aging star — draws hydrogen from a companion sun. When the dwarf reaches 1.4 times the mass of the Sun, the star ...

The Sirius star is also called the Dog star. The Dog star is a part of the Canis Majoris, or "Big Dog" constellation. Experts say the best sightings during winter, for those in Northern latitudes.

The two brightest nighttime stars visible in the Pottsville sky are Sirius and Arcturus. April is the only month of the year ...

Could the nearby star Sirius B explode as a type Ia supernova, like some other white dwarf stars in binary star systems have? Bruce Mason Encinitas, California A type Ia supernova occurs when a ...