From the moon and sun to the farthest galaxies, outer space is full of celestial wonders that captivate and inspire people worldwide. Introduce young stargazers to marvels beyond Earth and the tools scientists use to study them, including rovers and telescopes. Each title in this high-interest astronomy series includes vibrant photos, elementary-level text, and an in-depth look at one key feature. What is that research and testing laboratory orbiting in outer space? It's the International Space Station (ISS)! With the help of vibrant images and factual, elementary-level STEM text, this nonfiction astronomy title for children examines the history of the ISS, its construction, how it operates, and what it is used for. It also explores what life on board is like for the crew. A space science feature spotlights common types of ISS experiments. Captions, on-page definitions, additional resources, and an index support readers in grade 2 and up.