Astronomers say that mysterious interstellar visitors like 'Oumuamua and 3I/ATLAS are the most common large bodies in the ...

NASA has responded to claims – popularized by Harvard professor Avi Loeb – that the interstellar object 3I/ATLAS is a ...

Astronomers are racing to study 3I/ATLAS, an interstellar comet whose strange behavior reveals new clues about how other ...

Pfalzner's models show that interstellar objects — bodies ejected from other star systems — could be captured by these planet ...

I/ATLAS is a fast, ancient interstellar object. Its odd features fuel both scientific study and speculation. On July 1, astronomers detected a strange, fast-moving object racing toward the Sun. Named ...

Astronomers were fascinated after spotting an object from interstellar space hurtling through the solar system earlier this ...

As interstellar object 3I/ATLAS approaches its closest point to the Sun next month, the mysterious visitor continues to ...

Harvard scientist Avi Loeb, who has made headlines for his theories about interstellar objects, says we are "probably not" ...

Interstellar object 3I/ATLAS nucleus size remains one of the biggest mysteries in astronomy. Scientists are analyzing ...

The anomalous nature of the object led astrophysicist Avi Loeb to apply a thought experiment to it, highlighting everything about it that might align with a hypothetical alien spacecraft.

The third interstellar object ever observed is in our neighborhood—for now. And, asteroid Bennu could contain dust from ...

Harvard astronomer Avi Loeb argued interstellar object 3I/ATLAS "could either visit us or release some mini-probes that ...