Nearly a month ago, a mysterious object was seen hurtling through the solar system and later confirmed as an interstellar ...

Experts have confirmed that the mysterious object hurtling towards us, previously dubbed A11pl3Z, is an "interstellar object.

Is there a massive undiscovered planet on the outer reaches of the solar system? The idea has been around since before the ...

Astronomers have observed an object that originated from beyond our solar system, thought to be an interstellar comet, speeding through our celestial neighborhood.

Scientists have shared details on a mysterious "interstellar object", which is streaming throughout the solar system. The ...

Astronomers have confirmed the third interstellar object on record is dashing through our solar system. Dubbed 3I/ATLAS, it ...

The largest interstellar comet discovered could be an alien technology. The newly found Manhattan-sized object, named ...

Harvard astronomer Avi Loeb suggests that if interstellar object 3I/ATLAS isn't a comet, nor an asteroid, it may have been ...

The celestial body's unusual orbit “implies that something extraordinary occurred" in the early days of the solar system—and ...

Such is the case with 3I/ATLAS, a third known interstellar object from outside of our solar system to be discovered, which ...

A mysterious object the size of Manhattan is blazing through our solar system, and its origins remain a puzzle to the world's ...