Usually, these are regular people who happen to enjoy alien conspiracies, and they can largely be ignored. In the case of the ...

A new paper posits that advanced alien civilizations may communicate through subtle flashes, like fireflies do on Earth. The ...

The newly discovered interstellar object 3I/ATLAS could be a piece of "possibly hostile" extraterrestrial technology in disguise, according to controversial research from a small group of scientists, ...

A mysterious cigar-shaped object spotted tumbling through our solar system last year may have been an alien spacecraft sent to investigate Earth, astronomers from Harvard University have suggested.

The object could reach Earth in November or December, the paper says, but other experts say it’s nonsense. According to Live Science, the paper is controversial, was not peer-reviewed, and experts ...

A strange interstellar object is hurtling its way toward our pale blue dot — and according to a Harvard astronomer, there’s a chance it’s not a benign asteroid or comet, but instead some harmful form ...