Here's a listicle for #horror fans: the best science horror films of all time https://www.newscientist.com/article/2398256-the-scariest-sci-fi-horror-movies-for-halloween-chosen-by-an-expert/
Science fiction horror is not my genre but I remember being freaked out by โEvent Horizon โ.
Yeah, as much as I like science fiction, mixing it with other genres, especially horror, just doesnโt dot it for me.