Writer Ben Miller leads Jim Al-Khalili through our search for alien life in the Universe in the first of our new podcast series bringing you thought provoking lectures and discussions from the world's sharpest minds.

For millennia, we have looked up at the stars and wondered whether we are alone in the Universe. In the last few years, scientists have made huge strides towards answering that question. Comedian and bestselling science writer Ben Miller is in conversation with Jim Al-Khalili, taking us on a fantastic voyage of discovery, from the beginnings of life on earth to the very latest search for alien intelligence.