Rhinos in the Freezer

This in-depth look into the powerhouse industries of big-game hunting, breeding and wildlife conservation in the U.S. and Africa unravels the complex...

When Harvard PhD student Jennifer Brea is struck down at 28 by a fever that leaves her bedridden, doctors tell her it’s "all in her head."...

Bacteria, viruses, but also fungi, algae, pollen, and even insects: micro-organisms thrive and circulate constantly in our sky. How can so many...

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

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

A breathtaking adventure across five continents and through time to reveal nature's most vital secret. Watch a flying fox gorge itself on a midnight...

60 years ago, almost nothing was known of elephants in the wild. But then one young Scottish biologist changed that forever. In 1965 Iain...

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...

By the late 1800s the free-ranging buffalo of the western plains of North America were almost extinct. This documentary is the story of the buffalo's...

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

A documentary that explores the natural world of the sea, from the single-celled organism to more complex forms of life, OCEAN ORIGINS was originally...