Have you ever dreamed of exploring the stars? For most of us, taking a trip in a spacecraft is just a fantasy. A few extraordinary people, however, actually make this amazing voyage. For them, it's all in a day's work. Learn more about the incredible world of astronauts and space travel. Discover the history of people traveling to space and what these brave explorers must go through to become an astronaut. Find out what it takes to become an astronaut-and how you, too, can shoot for the stars.