Built from the ground up on our new understanding of the universe, this reader-friendly book focuses on central ideas and unifying themes to provide a concise cosmic context. Scientific concepts are linked to everyday experience to help readers develop an appreciation for the scientific method and to see how physics and astronomy are foundations for understanding their world. Recent discoveries spark readers' curiosity in the universe as a whole. Updates include discoveries such as the accelerating universe/cosmological constant, the detection of more planets around other stars, the potential of water flow on Mars, and the latest theories on the very early universe. For college instructors and students, or anyone interested in astronomy and physics.