A Closed and Common Orbit by Becky Chambers — Features an AI protagonist discovering identity and chosen family with similar warmth beneath the sci-fi premise.
The Long Way to a Small, Angry Planet by Becky Chambers — Character-driven space opera focusing on found family relationships with optimistic undertones despite dangers.
Station Eleven by Emily St. John Mandel — Explores what makes us human through interconnected characters, though in post-apocalyptic rather than space setting.