One million alien visitors from another star system could already be lurking in the solar system. We aren't talking about ...

Cosmic speed limits can be a major inconvenience but they've rarely stopped science fiction in its tracks.

Astronomers have identified a quartet of small rocky planets orbiting Barnard's star - one of our closest stellar neighbors - ...

Barnard's Star is a small, dim star, of the type that astronomers call red dwarfs . Consequently, even though it is one of ...

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

Astronomers have revealed new evidence that not just one, but four tiny planets are circling around Barnard's Star, the ...

Astronomers have been looking for exoplanets orbiting Barnard's Star, the nearest solitary star to Earth at just 5.96 ...

Alpha Centauri is inching closer, sending space debris toward our solar system. Could it be a source of interstellar ...

Astronomers have revealed new evidence that there are not just one but four tiny planets circling around Barnard’s Star, the ...

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 ...

Astronomers have revealed new evidence that there are not just one but four tiny planets circling around Barnard's Star, the second-nearest star system to Earth.