Three Wars

Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.

Professor Brian Cox explores the dramatic lives of the eight majestic planets/worlds that make up our solar system.

Carl Sagan covers a wide range of scientific subjects, including the origin of life and a perspective of our place in the universe.

David Attenborough presents a documentary series exploring how animals meet the challenges of surviving in the most iconic habitats on earth.