At just over four light years distant, Proxima Centauri is the closest star to the Sun in the entire Universe. We know it has one planet, called Proxima b, and there's decent evidence of a second, ...

Quick. What's the closest star after the sun? If you said Alpha Centauri you're one-third correct. Alpha is actually a triple system comprised of Rigil Kentaurus (Alpha Centauri A), Toliman (Alpha B) ...

Astronomers have found evidence of a third planet around the closest star to the sun, reinforcing the idea that planets are common around the stars of the galaxy, even some of its smallest. And while ...

Ever since we found an exoplanet around the nearest star from Earth, there's been intense interest in whether it could host life. Today's news points in the opposite direction. Share on Facebook ...

A team of astronomers is hard at work analyzing an unusual radio signal detected early in 2019 by the Parkes telescope, a 64-meter radio dish in eastern Australia. The signal appears to have come from ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. This article is more than 4 years old. Alpha Centauri A ...

The closest star to us, Proxima Centauri, and the planet that orbits it, Proxima b, are just 4.2 light-years away. The cool and faint red dwarf star is part of the Alpha Centauri system along with two ...

Finding a habitable planet in the nearest star system is an ongoing quest. But the overall habitability of the Alpha Centauri system based on its three stars, just over 4 light-years away, could be ...

If you look up in the southern sky you can see the “pointer” stars, pointing towards the Southern Cross. One of these pointers is Alpha Centauri, which is actually a pair of Sun-like stars that are ...