Favorite Subgenre Sci-Fi

The sci-fi genre, short for science fiction, features imaginative and futuristic concepts that are often rooted in scientific principles, technology, and possibilities. These stories delve into "what if" questions and can serve as a platform to address contemporary social, political, and ethical issues by projecting them onto future or alternate settings.

Here is a list of subgenres of sci-fi films, which sci-fi subgenre is the most astonishing for you to watch?

Please discuss here.