On Christmas Day 2003, a British space craft was due to land on Mars and begin searching for signs of life. The late Professor Colin Pillinger describes the daring mission. Originally broadcast December 2015.
See all episodes from Space
Dava Sobel explores our fascination with the cosmos, from Copernicus to recent innovation
Astronauts, moon walks and surviving in space
Innovation, the space race and the first heroes to boldly go
A collection of radio documentary programmes with one thing in common – space