One million alien visitors from another star system could already be lurking in the solar system. We aren't talking about "little green men" here, however — more "little (and not so little) gray rocks ...

Though it appears as a single bright speck in the sky, Alpha Centauri is actually a triple star system, with several suspected exoplanets, including a super-Earth called Proxima Centauri b ...

Alpha Centauri is the star system closest to our Solar System, and it is likely that particles from it could be making their way over to or already be in our stellar neighborhood. To know what to ...

Researchers estimate over a million interstellar objects from Alpha Centauri may already be lurking in the icy shell surrounding our solar system. Stars don’t hoard their material—Gregg and ...

Although filled with yet-to-be-discovered materials and concepts, this idea could theoretically propel a probe to Alpha Centauri in just 40 years. Sci-fi shows like Star Trek are often a laundry ...

Interstellar material has been discovered in our solar system, but researchers continue to hunt for where it came from and ...

Alpha Centauri, the nearest star system to the sun, is probably shedding comets and asteroids into our solar system — and even producing a few meteors in our sky. Located just 4.3 light-years ...

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. The scientists behind the new ...