The latest national and international news, exploring the day's events from a global perspective.
Sir Patrick Moore looks at the summer constellation of Cygnus with its rich array of nebulae and star clusters, while Chris North goes in search of the Milky Way. Show more
Drawing on 45 years of Horizon archive, Dr Kevin Fong presents a documentary showing how the intriguing possibility of life on Mars has fuelled man's quest to visit the Red Planet. Show more
A look at how the Serengeti wilderness has been shaped over time by hunters, pastoralists, ivory traders, conservationists, scientists, film-makers and even tourists. Show more
Post-9/11 conspiracy drama serial. Will confronts Katherine about her husband's connection with Truxton Spangler and API, but Katherine is threatened by a stranger. Show more
To mark the 50th anniversary of Born Free, this film explores the lives and legacy of George and Joy Adamson and Elsa, the orphaned lioness they adopted and returned to the wild. Show more
A look at how the Serengeti wilderness has been shaped over time by hunters, pastoralists, ivory traders, conservationists, scientists, film-makers and even tourists. Show more
Drawing on 45 years of Horizon archive, Dr Kevin Fong presents a documentary showing how the intriguing possibility of life on Mars has fuelled man's quest to visit the Red Planet. Show more
To mark the 50th anniversary of Born Free, this film explores the lives and legacy of George and Joy Adamson and Elsa, the orphaned lioness they adopted and returned to the wild. Show more
A look at how the Serengeti wilderness has been shaped over time by hunters, pastoralists, ivory traders, conservationists, scientists, film-makers and even tourists. Show more
