“Questions about what is or is not a person are suggested by Alien’s diverse array of entities. Though androids like Ash and Bishop are not human, do they meet the criteria to be seen as persons? And if they are, what is their moral status? Do we have any duties to treat them well, or are they merely things? These questions have deep implications for the human future—how will we treat artificially intelligent AI or androids, and perhaps even extraterrestrial life?”