What is a cell?

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...

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

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."...

Matt Walsh's controversial doc challenges radical gender ideology through provocative interviews and humor.

The film is filled with fun facts that show how cats make good pets, yet in other ways are wild and untamable.

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

An African narrator tells the story of earth history, the birth of the universe and evolution of life. Beautiful imagery makes this movie documentary...

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

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

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

Take a fascinating journey inside the bizarre world of a living human being with this compelling documentary from National Geographic, where...