A distant star system housing 6 planets that move in 'mathematically perfect' orbits has ignited a search for possible alien technosignatures. When you purchase through links on our site, we may earn ...

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 ...