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...

Unleashed from the video vaults of the American Genre Film Archive (AGFA), AGFA MYSTERY MIXTAPE #4: FOLLOW YOUR OWN STAR is a brand new compilation...

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

Using extraordinarily high resolution data sets from some of the most innovative and powerful scientific instruments ever built, the media team at...

The sun is always changing and NASA's Solar Dynamics Observatory is always watching. Launched on February 11, 2010, SDO keeps a 24-hour eye on the...

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...

A testament to NASA's Apollo program of the 1960s and '70s. Composed of actual NASA footage of the missions and astronaut interviews, 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...

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...

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 Attenborough’s...

Documentary footage from various sources, set to music. Showing the whole of human life, from birth to death and beyond.

William Shatner presents a light-hearted look at how the "Star Trek" TV series have influenced and inspired today's technologies, including: cell...

The Dream Is Alive takes you into space alongside the astronauts on the space shuttle. Share with them the delights of zero gravity while working...

The taped performance of Henry Fonda's one-man show was aired as "IBM Presents Clarence Darrow" on September 4, 1974, on NBC.

In 1858 Charles Darwin struggles to publish one of the most controversial scientific theories ever conceived, while he and his wife Emma confront...

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