examines the 2003 Space Shuttle disaster, in which Columbia broke apart in the skies over Texas. This four-part series combines first-hand testimony alongside previously unseen archive footage to chart the in-depth story of the Columbia tragedy. At the heart of this story are the people who lived through it all – the astronauts' wives, husbands and children, NASA staff, members of the Accident Investigation team, and a journalist, some of whom have never spoken before. The series reveals how and why the disaster happened, exploring human space travel's inherent risks and rewards.