The weird outbursts of a distant supermassive black hole may be caused by a death-defying white dwarf walking a cosmic tight ...

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 ...

3.6 million: The distance, in miles, at which the planet orbits its parent star Alpha Centauri B.This is much closer to the star than Mercury is to our sun. Earth is 93 million miles from the sun. ...

"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 ...

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 ...

A European space telescope has revealed that the nearby star Alpha Centauri A, the closest sun-like star, has a strange cool layer in its atmosphere just like the sun. ESA's Herschel space ...