Be it sci-fi, immigration or even artificial intelligence, the concept of "aliens" mirrors how we define fear, fascination and the "others" among us.What springs to mind at the mention of "alien"?

For more than a century, popular culture has trained us to picture extraterrestrials as bug-eyed, bipedal “little green men” ...

“Alien mummies” that were found in a Peruvian airport last year are not aliens after all, according to forensic experts. Instead, the “aliens” have turned out to be dolls made from earthly animal ...

Aliens they are not. That’s what forensic experts in Peru said Friday about two doll-like figures and an alleged three-fingered hand that customs authorities in the South American country seized last ...