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

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

Asteroids and comets from Alpha Centauri are lurking on the outer edges of our solar system. There is a record of two ...

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 ...

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

Interstellar material has been discovered in our solar system, but researchers continue to hunt for where it came from and how it got here.A new study ...

The three-star system, which likely hosts planets, is slowly moving closer to us and will reach its closest point in about 28,000 years.

Alpha Centauri asteroids may be scattered in the Oort Cloud Some interstellar rocks could travel into the inner solar system ...

You awake one morning to see huge spaceships hovering over your neighborhood. In your front yard, someone from another planet ...

A newly identified Kuiper Belt trio, possibly only the second of its kind, could provide strong evidence that these distant ...