With unique access to Nasa, Brian Cox follows Perseverance rover’s search for life on Mars during a critical seven-day period as it undertakes an epic journey across the red planet.

With the dream of sending humans to Mars closer than ever before, Horizon asks the world's leading experts on Mars where they would go and what they would need to survive.

In this landmark film Professor Hawking, alongside engineer and radio astronomy expert Professor Danielle George and a former student, Christophe Galfard, join forces to find out if, and how, humans can reach for the stars and relocate to different planets.

Film following Nasa psychologist Dr Al Holland as he prepares Mars-bound astronauts for the psychological demands of a three-year absence from Earth.