The Dark Disclosure of the ET and Demonic Forces

 https://www.groundzeromedia.org/show/6-9-24-dark-disclosure-bonding-the-aether-w-craig-campobasso

Whatever is going on is part of a vast cosmic mystery. It's not just interplanetary or intergalactic, but interdimensional.

https://en.wikipedia.org/wiki/Quatermass_and_the_Pit_(film)#Plot , https://www.youtube.com/watch?v=Dq--KN6ZSeE

https://en.wikipedia.org/wiki/Alien_(film)#Creature_effects , https://hrgiger.com/alien.htm

https://alienexplorations.blogspot.com/1979/04/development-of-necronom-iv.html

https://www.vice.com/en/article/qbnvax/taschen-monograph-the-magnum-opus-of-hr-giger

https://itcamefromblog.com/2019/06/23/the-unexpected-path-to-alien-my-interview-with-ridley-scott/

https://en.wikipedia.org/wiki/Event_Horizon_(film)

https://tucson.com/entertainment/movies/the-50-best-alien-movies-of-all-time/article_33db5aca-4679-5858-9745-48c40ed8b4f0.html

https://www.cnet.com/pictures/greatest-alien-encounter-movies-ranked/

https://www.rollingstone.com/tv-movies/tv-movie-lists/50-best-sci-fi-movies-1970s-163518/laserblast-1978-173925/

https://en.wikipedia.org/wiki/The_Space_Vampires (1976) 

https://en.wikipedia.org/wiki/Lifeforce_(film)#Plot

https://en.wikipedia.org/wiki/Alien:_Romulus , https://www.youtube.com/watch?v=6Fwu21D27eI

https://en.wikipedia.org/wiki/Xenomorph#Characteristics

https://bloody-disgusting.com/news/3274675/visions-of-horror-h-r-gigers-necronomicon-ridley-scotts-alien/

https://hrgiger.com/