Inside the Human Body

How can scientists study a faraway black hole that emits no light? By observing its quasar. As objects get pulled onto the accretion disk orbiting a...

When a Mongolian nomadic family's newest camel colt is rejected by its mother, a musician is needed for a ritual to change her mind.

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

What strange forces saved one isolated section along the Upper Mississippi River from the repeated crushing and scouring effects of glaciers during...

In The Womb is a 2005 National Geographic Channel documentary that focus on studying and showing the development of the embryo in the uterus. The...

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...

Richard Feynman was a scientific genius with - in his words - a "limited intelligence". This dichotomy is just one of the characteristics that made...

Of the Seven Wonders of the Ancient World, the Pyramid is the only one to survive. Many believe that even with our 21st-century technology, we could...

Concern over global climate change may be at an all-time high, but climate change is nothing new - the earth's climate always followed natural cycles...

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...

Darwin's great insight – that life has evolved over millions of years by natural selection – has been the cornerstone of all David...