In 1976, Viking 1 became the first spacecraft from Earth to land on Mars. For the first time, scientists were able to see the surface of the red planet. Since then, NASA and other space organizations have sent other probes to Mars and have learned a lot. Readers find out all about the robots created especially for the task of exploring Mars through detailed diagrams, full-color photographs, and interesting main content. Including information about STEM careers and the background of planning a space mission using robots, this book engages readers with exciting STEM content and careers.