Science fiction, colloquially known as scifi, is one of the most fun genres. Ever since Mary Shelley basically invented the genre with her terrifying novel Frankenstein, science fiction has had writers and audiences wondering 'what if?' as we delve deep into our anxieties, fears, and fantasies regarding modern science and technology. It also has me wondering 'what if men took their clothes off more in this genre?' and I know that I am not alone. Plenty of science fiction films and TV shows have delivered some truly HOT nudity. There's nothing fictional about that! Check out these top 10 sexy scenes from sci-fi!