An old man dies in his shack while performing satanic rites. Shortly afterward, a strange man shows up claiming to be the old man's nephew. When he moves in, strange things begin to happen, like a man being attacked by his own dog
aka "La morte viene dallo spazio", a sheaper italian remake of George Pal's production of "When Worlds Collide" (1951).
The Cinematography is made by none other than Mario Bava (wrongly spelled "Fava" here)
Classic low budget sci-fi complete with a reanimated dead astronaut impregnated with alien embryos and a blood-sucking space monster produced by Gene Corman. The monster suit was used again in "Teenage Caveman"