In this series, we will explore how we can survive Mars. Our species will need to evolve how we eat, drink, and build our homes. In the first episode, humans seem to be on the cusp of reaching Mars, but how did we get to this point? Our journey to our neighboring planet traces a path connecting Nikola Tesla, Nazi weapons of war, a Cold War space race, and a string of blockbuster discoveries made by some of NASA’s most talented robots.

D-Day: As It Happens D-Day: As It Happens tells the story of this pivotal event in 20th-century history in a completely new way. Using newly-analysed archive footage, viewers can track the progress of seven people who were there on the day, each of them a real participant in the 1944 invasion. And they can do so moment by moment in real time, encountering the twists and turns of the fighting at the same time as the D-Day seven did, and learning their fate as the action unfolds in parallel with the present, Narrated by Peter Snow, with Channel 4 presenter and former marine Arthur Williams, and experts including former British Army officer Colonel Tim Collins and front-line journalist Lorna Ward. The first programme tells the back stories of the real people that the event is following in real time and sets out their missions over the following 24 hours. The D-Day seven include a paratrooper, a midget submariner, a nurse and a military cameraman.