Alien invasion

A giant robot uses a laser in the Thames Valley in H. G. Wells' *The War of the Worlds*.

An alien invasion is when aliens invade the Earth to exterminate and destroy life. It is a common feature in science fiction. Scientists consider the possibilities of an alien invasion in real life would be impossible. H. G. Wells' The War of the Worlds was very successful and is considered as the seminal alien invasion story.

References[change | change source]

Rowan, Karen (2010-04-29). "Stephen Hawking warning: What would an alien invasion be like?". The Christian Science Monitor. ISSN 0882-7729. Retrieved 2021-04-30.