Dr Maggie tells the story of the Space Race, what it was, the key missions involved and how the USA, competing against and then collaborating with the Soviet Union, got us to where we are today in space. Dr Maggie's guest is Tim Peake, the first British astronaut to live on board ISS, who tells us how astronauts from different countries successfully work together in space. And Dr. Maggie answers your space questions and unveils her top five `firsts in space'.

Dr Maggie reveals how experiments in space are pushing the boundaries of our knowledge of space and our lives on Earth and how they are helping us for the future. This week's guest is Helen Sharman, the first British astronaut to travel to space.

Dr Maggie reveals the gamechangers of space - missions and spacecraft, from the Space Shuttle to the Hubble Space Telescope, that have transformed our lives on Earth and beyond. Dr Maggie's star guest is NASA astronaut Kathy Sullivan.

Dr Maggie explores living in space with start guest astronaut Jessica Meir, who spent 205 days on the International Space Station. Dr Maggie also answers your space questions and announces her top five list of how long people have spent in space.

Dr Maggie reveals that no matter how much you plan, prepare and practise for space travel, things can sometimes go wrong. Dr Maggie's star guest is Professor David Southwood CBE.

Dr Maggie uncovers the people and the missions that are tasked with looking for aliens in space and asks whether life really is out there and how will we find out. Dr Maggie's star guest Sofia Sheikh is searching for intelligent life in the universe.