Early in our Solar System’s history, bits of icy debris were scattered and then gradually coaxed into a spiral alignment in ...

A comet called ATLAS dazzled the southern skies for the last few weeks. Now it's heading out of view for half a million years ...

Also, this finding paves the way for the theory that other star systems will be capable of having Oort Cloud-like areas of the same type, driven by their own specific galactic setting. This ...

This video is a part of a series looking at the Outer Solar System. The Oort Cloud is believed to be a vast cosmic shell at the edge of our Solar System that astronomers have never directly seen. The ...

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 ...

The Oort cloud is traditionally thought of as a vast shell of perhaps trillions of icy objects encasing our solar system, the final boundary between us and the reaches of interstellar space. But it's ...

The triple star system is sending comets, asteroids and meteors our way, and the number of interstellar objects entering the solar system will rise.

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

Alpha Centauri is the star system closest to our Solar System ... from the system in our asteroid belt and our distant Oort cloud). That said, the gravitational forces of more stars and planets ...