Could there be aliens hiding on one of Saturn''s moons? Scientists are trying to answer this and many other questions about the possibility of life outside Earth. Learn about the building blocks of life, mysterious signals from space, and the places both near and far where scientists are searching for alien life. As part of the Searchlight Books™ collection, this series explores the many questions scientists have about space. Informative text, compelling photos, and engaging captions will help you learn how scientists make discoveries in space!
