WAfrofuturism
WAlien invasion
WApocalyptic and post-apocalyptic fiction
WBlack science fiction
WList of science fiction comedy works
WDieselpunk
WDying Earth genre
WHard science fiction
WMathematical fiction
WMilitary science fiction
WMundane science fiction
WScience fantasy
WScientific romance
WSolarpunk
WSpace opera
WSpeculative evolution
WSteampunk
WTech noir
WWeird West
WSpace Western