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

Chris Lintott finds out how British technology is leading the way in satellite science, and Patrick Moore looks at the threat from space debris facing astronauts. Show more

The story of one satellite's journey into space and how global agencies and individuals are using them in many ways, from monitoring climate change to locating water supplies. Show more

Documentary which explores how satellites have affected almost every aspect of our lives, from spy satellites and GPS transforming the military to the communications revolution. Show more

Documentary series following a year in the life of Gyantse, Tibet's third largest town. The Panchen Lama pays an unexpected visit to the local monastery. Show more

Dan Cruickshank presents a documentary revealing the story of the Dalai Lama, his secret Himalayan kingdom and his exile, using eyewitness accounts and colour archive footage. Show more

Documentary following French aerial photographer Yann Arthus Bertrand on his ten-year mission to create a photographic inventory of the Earth's surface for ecological purposes. Show more

Chris Lintott finds out how British technology is leading the way in satellite science, and Patrick Moore looks at the threat from space debris facing astronauts. Show more

Documentary which explores how satellites have affected almost every aspect of our lives, from spy satellites and GPS transforming the military to the communications revolution. Show more

The story of one satellite's journey into space and how global agencies and individuals are using them in many ways, from monitoring climate change to locating water supplies. Show more

Documentary following French aerial photographer Yann Arthus Bertrand on his ten-year mission to create a photographic inventory of the Earth's surface for ecological purposes. Show more