Some people look so unusual, it’s as if they don’t quite belong to Earth. Whether it’s their striking features, extraordinary proportions, or simply the way they carry themselves, they stand out in ...

Science fiction stories about “alien” invaders are often political allegories for anxieties around immigration. Now, a government website depicts non-citizens as extraterrestrials.

As UAP files are declassified and Disclosure Day hits cinemas, physicists argue that any aliens capable of reaching Earth ...

Harvard professor Avi Loeb believes that aliens are not going to visit Earth in physical form, and would instead send a "technological device guided by AI". Their visit would not be fun either, and ...