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"?

Add Yahoo as a preferred source to see more of our stories on Google. Earth vs. the Flying Saucers Question time: What do you do when aliens peacefully show up on Earth, seemingly ready to negotiate a ...

Destroy the city and all who inhabit it using your alien saucer! Survive as long as you can as you are surrounded by hordes of police, soldiers, tanks, and special forces! Advertisement ...