Aliens - Fallen Angels - Demons...
https://www.youtube.com/watch?v=2zG9d8FgMCc
Here is a reference in the bible to alien space crafts and aliens being the devil.
Ephesians 2:2.
in which you once walked according to the course of this world, according to the prince of the power of the air, the spirit who now works in the sons of disobedience,