In this episode, Dr Maggie lifts the lid on the rovers, landers, orbiters and probes that have been sent to explore our universe and tells the incredible story of Rosetta, the spacecraft that tried to land on a comet.

Dr Maggie’s star guest is Professor Andrew Coates, who talks about building a spacecraft to look for life on Mars.

And Maggie answers viewers’ space questions and catalogues the top five longest-serving spacecraft. Show less