Meet Ellen Ochoa, history's first Hispanic female astronaut! Follow Ochoa's story as she works at NASA's Ames Research Center while attempting to become an astr

Meet Scott Kelly, who lived for a year in space! Follow Kelly's story as he moves from a career as a volunteer Emergency Medical technician to his service in th

This fascinating book introduces readers to the life and work of Ellen Ochoa, an astronaut who became the first Hispanic director of the Johnson Space Center. H

Meet Sally Ride, the first American woman in space! Follow Ride's story as she develops a robotic arm for space shuttles, investigates the Challenger and Columb

Meet Carl Sagan, known for his research on extraterrestrial life! Follow Sagan's story as he theorizes on the temperature of Venus's surface, works with NASA to