Even before knowing what they were, humans were captivated with comets. Some early mathematicians correctly calculated when the comets would return; contemporary scientists discovered why this happens. From their ancient symbolism to their modern scientific significance, this volume explores the captivating tales and cutting-edge research surrounding these celestial bodies. The engaging main text, augmented with informative graphic organizers and intriguing fact boxes, gives young readers a deeper understanding of the formation and movement of comets, as well as what this knowledge can teach us about the universe.