Faster-Than-Light Travel in Sci-Fi vs Real Science
Faster than light travel is the engine that makes most of our favorite galaxy-spanning stories possible — and, as far as physics currently knows, it is also impossible. That gap between what writers need and what the universe allows is where the fun lives. This guide is for readers who want the story and the science: we’ll cover why FTL breaks the rules, the clever workarounds authors use, and which books handle it with real care. In this guide Why FTL is the genre's favorite rule-break What real physics says Warp drives and spacetime Wormholes and shortcuts Hyperspace and jump drives The causality problem Stories that handle it thoughtfully FAQ Quick answer: Faster-than-light travel almost certainly can’t happen under known physics, because nothing with mass can reach the speed of light — so science fiction leans on loopholes such as warping space, wormholes, or leaving normal space entirely to get around the limit. Why FTL is the genre's favorite ...