Galaxy of Terror, Mutant (NSFW), Contamination and the joy of cheap alien knockoffs. Prefer the sequel? Here's Aliens remade under the name "Terminator 2". Sadly one take on the franchise that will not be seeing the light of day is Alien Identity, a fan film recently shut down by a cease and desist from Fox. Meanwhile the Neil Blomkamp Alien film continues to incubate.
From The Weyland-Yutani Archives:
During Alien's pre-production, Ridley Scott drew up a story board presentation of Alien for 20th Century Fox. These storyboards are known as 'Ridleygrams'. This story board presentation contains scenes and FX shots that were later re-written or dropped due to budgetary reasons.[more inside]
“When Jim first came to me with this idea of putting two guys inside a giant alien queen suit,” Winston admitted, “I thought, ‘This man is out of his mind.’ Nothing like that had been done before. But in the next moment, I realized that if he had imagined it, we could probably do it.” - How Stan Winston and Jim Cameron built the Alien Queen. Original creature creature H.R. Giger was disapointed not to be involved, leading to this letter from Cameron.
Alex Pappademas and Sean Witzke over at Grantland have a long, detailed, super geeky film-nerd discussion of the Alien franchise. "It's important to note here that this is a nuke-it-from-space kind of conversation in which just about every aspect of the original "Alien Quadrilogy" is spoiled, as are some fairly crucial plot points from Prometheus. The Alien vs. Predator movies are neither spoiled nor discussed, because that would mean acknowledging their existence. Some people will undoubtedly view this as curatorial negligence on our part, but we welcome their scorn. "