"We should put all possibilities on the table that it's a rock, a comet, or something else until we get the evidence, the ...

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

Harvard astrophysicist Avi Loeb has cowritten a research paper speculating whether the comet 3I/ATLAS is in fact "hostile" ...

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

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

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 ...

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