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

A new research paper, written by a prominent Harvard astrophysicist, has claimed a mystery object in our Solar System could ...

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

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

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

Astronomers have discovered a "fossil" world lying in the outskirts of the solar system, according to new research.

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

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

There are currently no other explanations for the effects that we see, nor for the myriad other P9-induced effects we see on ...

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

Ammonite was found as part of the FOSSIL survey project, which stands for the Formation of the Outer Solar System: An Icy Legacy, according to NAOJ. A more classical name will be assigned to the ...

Scientists are racing to learn as much as possible about the interstellar comet 3I/ATLAS before it fades from view forever ...