Light and Dark

Professor Jim Al-Khalili shows how, by uncovering its secrets, scientists have used light to reveal the universe.

Discoveries that have revolutionised our understanding of what it means to be human, allowing us to live longer, better, smarter and stronger.

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

Professor Jim Al-Khalili shows how, by uncovering its secrets, scientists have used light to reveal the universe.

Professor Jim Al-Khalili shows how, by uncovering its secrets, scientists have used light to reveal the universe.

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

Professor Jim Al-Khalili shows how, by uncovering its secrets, scientists have used light to reveal the universe.

Professor Jim Al-Khalili shows how, by uncovering its secrets, scientists have used light to reveal the universe.

Iain Stewart reveals some surprising facts about the world's most destructive and spectacular natural phenomena, from earthquakes and tsunamis to...

Professor Jim Al-Khalili shows how, by uncovering its secrets, scientists have used light to reveal the universe.

Series of investigative science documentaries.

From the planets to the stars and out to the edge of the unknown, history and science collide in a wondrous yet deadly adventure through space and...