The frightening "Space Jockey" scene from Ridley Scott's "Alien" (Image credit: 20th Century Fox) Alien Day was this past Sunday (April 26), and to celebrate one of the best sci-fi horror franchises of all time, HBO Max has just added the special editions of the first four Alien movies onto the streaming service. Founded by 20th Century Fox back in 2016, Alien Day is an honorary occasion for fans to connect with everything " Alien " -related, from movies to comic books to video games. It's aptly named after LV-426, the infamous planetoid that the interstellar towing vessel USCSS Nostromo set down upon to discover the derelict spaceship and its insidious contents in the classic 1979 feature film. With Disney+/Hulu's "Alien: Earth" working on its second season, a sequel to director Fede Álvarez’s "Alien: Romulus" supposedly in development, and Ridley Scott hinting about a possible follow-up to his "Alien: Covenant," there’s a lot of life left in the 47-year-old franchise.…