A video retrospective on the life of the famous patent clerk-turned-physicist. Rare photos and news footage, together with excerpts from his personal diaries, bring to life not only the man, but the world in which he lived as well. Narrated by William Hurt.

For centuries scientists have been attempting to come up with an elixir of youth. Now remarkable discoveries are suggesting that ageing is something flexible that can ultimately be manipulated. Horizon meets the scientists who are attempting to piece together why we age and more vitally for all of us, what we can do to prevent [...]

With the help of a hammer-wielding scientist, Jennifer Aniston and a general anaesthetic, Professor Marcus du Sautoy goes in search of answers to one of science’s greatest mysteries: how do we know who we are? While the thoughts that make us feel as though we know ourselves are easy to experience, they are notoriously difficult [...]

David starts his journey in Darwin’s home at Down House in Kent, where Darwin worried and puzzled over the origins of life. David goes back to his roots in Leicestershire, where he hunted for fossils as a child, and where another schoolboy unearthed a significant find in the 1950s. And he revisits Cambridge University, where [...]

As the Pope ends his visit to Britain, historian Dr Thomas Dixon delves into the BBC’s archive to explore the troubled relationship between religion and science. From the creationists of America to the physicists of the Large Hadron Collider, he traces the expansion of scientific knowledge and asks whether there is still room for God [...]

Search For Life After an odyssey spanning millions of miles, the quest for the Holy Grail of space exploration begins – the search for life on another planet. In this episode, viewers get exclusive access to leading-edge laboratories around the world where the prototypes for new spacesuits and rovers are under construction.

Six Minutes of Terror When the first human sets foot on Mars, mankind will have evolved to become an interplanetary species. In the case of Mars, it’s more about the destination than the journey. In terms of risk and danger to crew, entering Mars’ orbit is where the stakes become immeasurable. A second spacecraft will [...]

The Human Factor Choosing the crew for the first mission to Mars could prove to be the most important casting call ever undertaken. Can humans endure the psychological extremes of a mission more than two years long? From determining whether a mixed-gender crew is feasible to testing team compatibility, this episode will examine the mental [...]

Journey to the Red Planet This episode sets the stage for the entire human mission to Mars project, exploring a future Mars city, the physical and mental challenges of the trip to Mars and international efforts to reach the red planet.