A wormhole is a tube-like distortion of time and space connecting distant places in the universe. Wormholes have been featured in many movies, but can they really exist? Wormholes are a prediction of scientific theories, and the precision of mathematics allows them to be described, even before they have ever been seen. Untangling complex physics theories with accessible language and captivating imagery, this book explores the development and evaluation of scientific theories behind wormholes. Supporting the Next Generation Science Standards' emphasis on scientific collection and analysis of data and evidence-based theories, this book will help students grasp the importance of mathematical models of reality, laying the groundwork for a deeper understanding of the nature of science.