Scientists found new evidence (or lack thereof) disproving the conspiracy theory that interstellar comet 3I/ATLAS is alien ...

The idea that a mysterious object streaking through the Solar System might be an alien craft is irresistible, and 3I/ATLAS has become the latest canvas for that fantasy. But when the speculation ...

The eyes of every astronomer widened this year when an interstellar traveler was discovered in our solar system. Despite some suggestions that it could be an alien spacecraft, observations from some ...

Humans could be reached by aliens in less than 116 days, according to one Harvard professor, who says an unexplained object flying towards Earth might be a "hostile" alien spacecraft. Professor Loeb ...