A new interstellar object in the solar system should be investigated for the possibility that it's an alien craft, according ...

Harvard astrophysicist Avi Loeb co-authored a July research paper speculating about whether the comet 3I/ATLAS is in fact 'hostile' alien technology.

Professor Avi Loeb said there are clear signs that the comet known as "3I/ATLAS" could be an alien craft. "We should put all ...

The strange 3I/ATLAS comet that was recently discovered to be speeding through our solar system could actually be the work of ...

"The consequences, should the hypothesis turn out to be correct, could potentially be dire for humanity," said Avi Loeb.

The paper presented several anomalous characteristics of the object, which could indicate that it is not a comet at all but instead a directed craft.

However, we might also want to look for hints of alien origin. One very strong piece of evidence would be any kind of radio ...

Avi Loeb, author of "Extraterrestrial," discusses the possibility that an interstellar comet could be of alien origin, even ...