Brief descriptions of the 10 Greatest Sci-Fi Films Never MadeVincent Ward‘s Alien 3, Wolfgang Petersen, Andrew Kevin Walker and JJ AbramsSuperman vs. Batman, Steven Spielberg‘s Night Skies, Edgar Rice BurroughsJohn Carter of Mars, Phil Kaufman‘s Star Trek: Planet of the Titans, Arthur C. Clarke‘s Childhood’s End, Alfred Bester‘s The Stars My Destination, Alejandro Jodorowsky‘s Dune, Ridley Scott‘s I Am Legend and The Outer Limits — comprise a forthcoming (7.15) Times Online article.