Madman's dictionary

After one of the hottest years on record, Sir David Attenborough looks at the science of climate change and potential solutions to this global...

Werner Herzog's documentary film about the "Grizzly Man" Timothy Treadwell and what the thirteen summers in a National Park in Alaska were like in...

Trek into the hidden battlefields of northern Botswana where lions and spotted hyenas clash in overlapping territories. With never-before-seen...

One entry in a series of films produced to make science accessible to the masses—especially children—this film describes the sun in...

Record high oil prices, global warming, and an insatiable demand for energy: these issues define our generation. The film exposes shocking...

Alaska... Here, in this vast and spectacularly beautiful land teeming with abundant wildlife, discover the "Spirit of the Wild." Experience it in the...

An underwater exploration beneath kelp forests in the Pacific Ocean off the coast of Southern California. The film captures the birth of a shark,...

Trees talk, know family ties and care for their young? Is this too fantastic to be true? German forester Peter Wohlleben and scientist Suzanne Simard...

Lake Tanganyika is an 'Ocean' in Africa. Millions of years ago it was colonized by a little fish called 'Cichlid'. Otters, crocodiles, cobras and...

In Africa there is a fable that explains the creation of the tides. When a hyaena challenged a mudskipper to a drinking contest to decide who should...

In this special documentary that inspired a two-season television series, scientists and other experts speculate about what the Earth, animal life,...

Bill Nye is retiring his kid show act in a bid to become more like his late professor, astronomer Carl Sagan. Sagan dreamed of launching a spacecraft...