Alpha Centauri is the brightest star in the southern sky and is just 4.3 light years from Earth – it would still take 40,000 years to travel there with existing rocket technology.

Alpha Centauri is the closest star system to Earth and is made up of three stars ... Farther out from Proxima Centauri, ... This won't significantly cut down this travel time to Proxima Centauri.

This wide-field view of the sky Alpha Centauri star system and its surroundings was created from photographic images forming part of the Digitized Sky Survey 2. Image released Oct. 17, 2012 ...

Alpha Centauri is host to two sun-like stars, and a third star – the red dwarf Proxima Centauri, which is already believed to have one planet in a Goldilocks orbit, discovered in 2016. Read more ...

Alpha Centauri has long fascinated astronomers as the closest star system to our own. Located just 4.37 light-years away, this stellar trio offers a prime target for hunting exoplanets. Recent ...

Alpha Centauri A actually puts out less x-ray radiation than our own sun. Its nearby partner star, Alpha Centauri B, throws off more of the radiation than our star, ...

Star Trek most often concerned itself with worlds much further away than Alpha Centauri, but the star system does play a role in one of the more important elements of the canon. For a brief time, the ...

"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 ...

It contains not just one star resembling our sun but two of them, called Alpha Centauri A and B. Star A is the sun’s near twin in temperature, size, luminosity and composition; star B is just a ...