The latest national and international news, exploring the day's events from a global perspective.
Michael Portillo is on a rail trip through the Irish Republic. He visits the Irish National Stud and uncovers an astronomical feat of Victorian engineering. Show more
Horizon follows the astronomers pushing the limits of science and engineering with a new generation of supertelescopes in the hunt for mysterious objects in the universe. Show more
Art historian Dr Richard Clay journeys through the dramatic and destructive years of the French Revolution, telling its history through the extraordinary story of its art. Show more
Documentary telling the story of Balmoral, the royal family's most private residence, and how the royal family has played a role in shaping modern Scotland and vice versa. Show more
Dan Cruickshank explores the secrets of the bridges that have made London what it is. Along the way, he uncovers stories of the sublime ambition of London's bridge builders. Show more
Wildlife documentary. Multi-award-winning writer Robert Macfarlane sets out on a journey to explore the unexpected landscapes and natural history of Essex. Show more
Documentary revealing the social side of the killer whale; a creature long feared as a sea monster until it was studied in captivity for the first time. Show more
Horizon follows the astronomers pushing the limits of science and engineering with a new generation of supertelescopes in the hunt for mysterious objects in the universe. Show more
Art historian Dr Richard Clay journeys through the dramatic and destructive years of the French Revolution, telling its history through the extraordinary story of its art. Show more