2014's Interstellar is a sci-fi masterpiece by Christopher Nolan. Thus far, it's been his most ambitious work, as it displays heavily researched scientific theories for the intricacies of space, time, wormholes, black holes and everything in between. With the help of Physicist Kip Thorne, the two were able to create a thought-provoking, evocative, realistic approach to what traveling through space could look like.
Source:https://www.cbr.com/interstellar-ending-explained/