The latest national and international news, exploring the day's events from a global perspective.

How our drive to explain the bizarre phenomena of UFOs, and desire to discover little green men, has transformed our understanding of the universe. Show more

Dr Michael Mosley explores our earliest attempts to tackle infection and how scientists, chemists and doctors from Louis Pasteur to Howard Florey helped us win the battle. Show more

Janina Ramirez looks at how monasteries transformed society and rose to a position of immense power, only for sin and corruption to lead to collapse as the medieval period ended. Show more

Using the British Transport Films archive, Timeshift revisits Britain's railways during the era of public ownership in a corrective to the myth of the bad old days of rail. Show more

Alice Roberts and Matt Williams present 2014's most outstanding archaeology from Ireland, including some perfectly preserved Iron Age bog bodies. Show more

Dr Michael Mosley explores our earliest attempts to tackle infection and how scientists, chemists and doctors from Louis Pasteur to Howard Florey helped us win the battle. Show more

How our drive to explain the bizarre phenomena of UFOs, and desire to discover little green men, has transformed our understanding of the universe. Show more

Swedish detective series. A woman is found dead after the opening of a war photographer's exhibition. Wallander and his team investigate. Show more

Janina Ramirez looks at how monasteries transformed society and rose to a position of immense power, only for sin and corruption to lead to collapse as the medieval period ended. Show more