Charles Darwin and the Tree of Life

In 1962, spurred by the Cold War, President John F. Kennedy famously made the bold proclamation that NASA would send astronauts to the moon by the...

As society tackles the problem of feeding our expanding population safely and sustainably, a schism has arisen between scientists and consumers,...

Legends of lost continents and civilizations have captivated people throughout time. Philosophers and astronomers like Aristotle and Ptolemy believed...

Sniper: Bulletproof deconstructs and analyzes the little-known sniper events that have occurred when no other course of action was possible. The...

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."...

There are endless gruesome ways that the world could end; through nasty, natural disasters or because of some man-made abomination. From maniac...

A documentary on Al Gore's campaign to make the issue of global warming a recognized problem worldwide.

Blue Whales: Return of the Giants 3D takes viewers on a journey of a lifetime to explore the world of the magnificent blue whale, a species...

Buried beneath the sand for seven million years, a skull is unearthed in Chad that may provide evidence of the oldest known human ancestor.

Meet Nikola Tesla, the genius engineer and tireless inventor whose technology revolutionized the electrical age of the 20th century. Although...

Nova and National Geographic present exclusive access to an astounding discovery of ancient fossil human ancestors.

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