The Search for a New Earth

"Planet Earth has been home to humankind for over 200,000 years, but with a population of 7.5 billion and counting and limited resources, this planet might not support us forever."

Professor Stephen Hawking enlists engineering expert Prof Danielle George and his own former student, Christophe Galfard, to find out if and how humans can reach for the stars and move to different planets.