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

"Our Sun (Sol) is marked by a black hexagon, and its orbital path is indicated by a grey solid line (top row only). Alpha Centauri's location and path are shown by a yellow star and a solid blue line ...

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

The appearance of the Interstellar Objects (ISOs) Oumuamua and Comet Borisov in 2017 and 2019, respectively, created a surge of interest. What were they? Where did they come from? Unfortunately, they ...

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 ...

Humanity has observed two such objects already: Comet Borisov and ‘Oumuamua, which crossed the vast gulf of space for a quick foray across the Solar System. We do not know where they came from ...

Scientists have confirmed only two interstellar objects so far. 'Oumuamua, spotted in 2017, and Comet Borisov, detected in 2019, both passed quickly through the solar system. Now, a study suggests ...

Its discovery prompted scientists to look for more such objects, leading to the identification of Comet Borisov in 2019, another interstellar visitor. While unidentified interstellar objects roam ...