How did a cloud of freezing dust transform into a living, breathing paradise? In this documentary we investigate the violent birth of Earth. From the high-speed planetary collision that formed the Moon to the secret magnetic shield protecting us from deadly solar radiation, we reveal the precise cosmic conditions required for human life. Featuring expert insights from NASA astronauts and world-leading geologists, discover the 4.5 billion-year journey of our home – the only safe haven in the known universe.