The third known visitor from another star system, Comet 3I/ATLAS, has been racing through the Solar System with just enough weirdness to ignite a familiar debate: is it natural or could it be ...

The third confirmed visitor from outside our solar system, Interstellar comet 3I/ATLAS, has been turning heads with its peculiar, elongated shape and unpredictable behavior as it speeds towards the ...

In an Instagram post on Sunday, Obama said he had been trying to “stick with the spirit” of his interviewer, political commentator Brian Tyler Cohen, during a wide-ranging podcast released Saturday.

There’s no denying the allure of alien artifacts. Science fiction is awash in the material remnants of extraterrestrial civilizations, which surface in everything from the classic books of Arthur C.

YouGov, a research and analytics firm, found last year that most Americans believe in aliens. Its poll results showed in ...