Evolution from ape to man

Travel alongside the astronauts as they deploy and repair the Hubble Space Telescope, soar above Venus and Mars, and find proof of new planets and...

Commentator-comic Bill Maher plays devil's advocate with religion as he talks to believers about their faith. Traveling around the world, Maher...

A scientist explains how the savagery and efficiency of the insect world could result in their taking over the world.

Many geneticists and archaeologists have long surmised that human life began in Africa. Dr. Spencer Wells, one of a group of scientists studying the...

Following the verdict of the Scopes Monkey Trial, religious activism influenced members of the Florida state legislature to force the Florida State...

From the unique vantage point of 200 miles above Earth's surface, we see how natural forces - volcanoes, earthquakes and hurricanes - affect our...

With the impending ice age almost upon them, a mismatched trio of prehistoric critters – Manny the woolly mammoth, Diego the saber-toothed...

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

A documentary of insect life in meadows and ponds, using incredible close-ups, slow motion, and time-lapse photography. It includes bees collecting...

A study of the behavior of monkeys in the African jungle.

At the far end of the world, there exists a chain of strange islands, steeped in controversy. The Mysterious Islands is the story of one boy and a...

For the last decade, a team of frontline medics has been fighting to save Borneo's critically endangered orangutans. Armed with cameras,...