This astounding documentary delves into the mysteries of the Tunguska event – one of the largest cosmic disasters in the history of civilisation. At 7.15 am, on 30th June 1908, a giant fireball, as bright the sun, exploded in the sky over Tunguska in central Siberia. Its force was equivalent to twenty million tonnes of TNT, and a thousand times greater than that of the atomic bomb dropped on Hiroshima in 1945. An estimated sixty million trees were felled over an area of over two thousand square kilometres - an area over half the size of Rhode Island. If the explosion had occurred over London or Paris, hundreds of thousands of people would have been killed.
Theory of Light is a documentary centred on the climate emergency through a climate justice lens. It...
In the lush depths of the rainforest, Vilma and Andrés find themselves gripped by an eerie premoniti...
An exploration of technologically developing nations and the effect the transition to Western-style ...
The story of how an Australian and international community of blacksmiths, welders, artists and volu...
Welcome to Yellowstone, America's oldest and largest national park. Lose yourself in the majestic la...
A look at the extraordinary abilities of squirrels, from the brainy fox squirrel to the acrobatic gr...
In this fascinating program, learn about one of the most feared and respected members of the animal ...
National Geographic filmmakers, Dereck and Beverly Joubert, explore how some animals are thrust toge...
A slug climbs small mountains at the peak of Mount Greylock (3,489 ft).
Our world is the home of millions of plant as well as animal species and provides several territorie...
Somewhere between the mountains and valleys a small autumn flower bloomed.
In the central Peruvian Amazon, a young indigenous man from the Nomatsigenga Community of Boca Kiata...
In the early 1900s commercial loggers cut down an old growth spruce tree growing on a small island s...
"The acid soil of New England, its wide stretches of hardwoods, its numerous sugar maples, its rolli...
A short film featuring a coastal forest and the rocky coastline of downeast Maine.