With a vision of capturing the latest developments in astronomy education research, this textbook focuses on conceptual understanding, visual literacy, and inquiry-based learning. Tim Slater and Roger Freedman's concise, yet highly detailed (15 chapter) text explores core topics showing how astronomers study and decipher the universe's underlying processes. This helps students approach the subject from a professional scientist's perspective and provides a deeper insight into investigating astronomy. Investigating Astronomy is available with LaunchPad. LaunchPad combines an interactive ebook with high-quality multimedia content and ready-made assessment options, including LearningCurve adaptive quizzing. See `Instructor Resources' and `Student Resources' for further information.