Time travel has long been one of the most irresistible concepts in science fiction — the idea that we could undo past mistakes, witness history firsthand, or peek into the future has fueled some of ...

David Bowie as Thomas Jerome Newton in 'The Man Who Fell to Earth'; a Xenomorph in 'Aliens'; Scarlett Johansson as the Female in 'Under the Skin' A casual viewer might assume that if you've seen one ...