Speculative fiction is a broad umbrella category of narrative fiction referring to any fiction story that includes elements, settings and characters whose features are created out of imagination and speculation rather than based on attested reality and everyday life. That encompasses the genres of science fiction, fantasy, science fantasy, horror, alternative history, and magic realism.
The US Space Force was in big trouble. With all its traditional enemies
no longer threatening, it was becoming redundant. Then the aliens
arrived, warning of others behind them, not so friendly and massing for