Sirius, also called the Dog Star, is the brightest star in Earth's night sky. Shining more brilliantly than any other star visible from Earth (excluding our sun, of course), Sirius is outshone only by ...

Although the dog days of summer traditionally has referred to the hottest days of the year, the days are actually a specific period: July 3 to Aug. 11 every year. The phrase, though, can be traced ...