About This Video

Astronauts who’ve lived on the International Space Station and “walked” in space tell all: what it’s like to ride on a space ship, and to eat, sleep, exercise, and even do science—in space. Hear firsthand from the world’s most intrepid explorers—including astronauts Tracy Caldwell Dyson, Leland Melvin, and Sandra Magnus—and Dava Newman, designer of an innovative spacewalking suit, about what it’s like to soar upward and leave our home, planet Earth, behind. Journalist Miles O’Brien moderates.