The International Astronomical Union (IAU) has officially designated 227 stars, including Alpha Centauri, with their traditional or historical names. Alpha Centauri's official designation has been ...

Alpha Centauri is a star system with components 4.2 to 4.4 light-years from Earth and comprises three stars. It is the closest star system to the solar system, and one of its stars is the nearest star ...

The annual meteor shower the Alpha-Centaurids will peak on Wednesday (Feb. 8). Skywatchers will see the meteors from the Centaurids at any time its apparent point of origin in the constellation of ...

"Alpha Centauri" is getting the boot. The longstanding star name has been displaced by its ancient counterpart in a new International Astronomical Union (IAU) catalog that designates 227 official ...

A screencapture from the Stellarium sky simulation software showing Rigil Kentaurus (alpha Centauri), beta Centauri and the Southern Cross as viewed from Australia. A screencapture from the Stellarium ...