Our Friend the Atom

A documentary on Al Gore's campaign to make the issue of global warming a recognized problem worldwide.

July 20, 1969. Apollo 11 lands on the surface of the Moon. Such a feat was apparently performed to the greater glory of all mankind, but actually it...

A celebration of the universe, displaying the whole of time, from its start to its final collapse. This film examines all that occurred to prepare...

An examination of the extinction threat faced by frogs, which have hopped on Earth for some 250 million years and are a crucial cog in the ecosystem....

A team of scientists search for the lost island of Testerep in front of the Belgian coast, venturing into artificial landscapes and virtual realities.

From Raymond Baxter live on Tomorrow's World testing a new-fangled bulletproof vest on a nervous inventor to Doctor Who's contemporary spin on the...

Kate Humble and Helen Czerski reveal the inner workings of the sun and investigate why scientists think changes in the sun's behaviour may have...

Dr Helen Czerski delves into the Horizon archive to chart the transformation of a little-known theory into one of the greatest scientific...

Chaos theory has a bad name, conjuring up images of unpredictable weather, economic crashes and science gone wrong. But there is a fascinating and...

Physicist Dr Helen Czerski takes us on a journey into the science of bubbles - not just fun toys, but also powerful tools that push back the...

The show tells a thrilling story of the most remarkable space mission in human history.