Are there extraterrestrials? If so, what are they like? Do they live far away or hide among us? Are they conscious beings? If they find us, what will they do to us? Literally, there is no person who, even fleetingly, has not wondered whether extraterrestrial life exists.

Moreover, the person who will provide a convincing answer has not yet been born! Jim Al-Khalili - an internationally acclaimed professor of Theoretical Physics and presenter of the BBC Radio 4 program The Life Scientific - is launching himself into Space for our sake and probing for answers. He dissolves ignorance and conspiracy theories, loosening the mental vice that drains our minds whenever we think about whether life exists elsewhere.