Avi Loeb, a Harvard astronomer who has made headlines with his theories about alien encounters, will lead a White House ...

Fresh UFO file releases and a viral claim about 'four alien species' have pushed extraterrestrial conspiracy theories back into the centre of internet culture — but not everyone is buying it. As newly ...

Astrophysicist Neil deGrasse Tyson has a blunt request for the government as the Pentagon rolls out the highly anticipated UFO files — just “show the alien!” Tyson shared his two cents Monday on “The ...