Consequently, even though it is one of the closest stars to Earth, such that its light takes only six years to get here, it ...

After many previous claims and false alarms, astronomers can finally confirm the existence of at least four planets less ...

is actually much dimmer than other stars, ranking about 50th in brightness in the sky. The closest star is part of the Alpha Centauri system, NASA says. It contains three stars, and Proxima ...

We aren't talking about "little green men" here, however — more "little (and not so little) gray rocks," asteroids from the triple star system Alpha Centauri. Alpha Centauri is the closest star ...

ESA/NASA Our nearest stellar neighbor, Alpha Centauri, is moving towards us at a slow and steady pace. In about 3,000 years, the triple star system will be at its closest point to Earth ...