Earth teems with a staggering variety of animals, including 9,000 kinds of birds, 28,000 types of fish, and more than 350,000 species of beetles. What explains this explosion of living creatures—1.4 million different species discovered so far, with perhaps another 50 million to go? The source of life's endless forms was a profound mystery until Charles Darwin brought forth his revolutionary idea of natural selection. But Darwin's radical insights raised as many questions as they answered. What actually drives evolution and turns one species into another? To what degree do different animals rely on the same genetic toolkit? And how did we evolve?

The Purity Ball symbolizes a father's protection over his daughter's virginity, but how does this re...
A new uranium mill -- the first in the U.S. in 30 years -- would re-connect the economically devasta...

An inspiring documentary chronicling the rise, fall and resurrection of '80s metal band Quiet Riot. ...

Underwater Dreams, narrated by Michael Peña, is an epic story of how the sons of undocumented Mexica...

For half of a millennium, First Nations women have been at the forefront of aboriginal peoples' resi...

American Experience presents Summer of Love, a striking picture of San Francisco's Haight Ashbury di...

Live and Let Live is a feature documentary examining our relationship with animals, the history of v...

Nicholas Vreeland walked away from a worldly life of privilege to become a Tibetan Buddhist monk. Gr...

Under the neon lights in a gay-friendly neighborhood of New York City, four young African-American l...

This 90-minute documentary brings to life Gavin Pretor-Pinney’s international bestseller, “The Cloud...

THE ARYANS is Mo Asumang's personal journey into the madness of racism during which she meets German...

Although first glance reveals little more than stones and sand, the desert is alive. Witness moving ...

Since the late 18th century American legal decision that the business corporation organizational mod...

Documentary portrait of the New York photographer Nan Goldin.

Outraged by the controversial January, 1988 article in Cosmopolitan magazine, the women in the AIDS ...

A short documentary exploring the ways LGBT couples show affection, and how small interactions like ...

An astonishing journey revealing the awesome power of the natural world. Over the course of one sing...

Unable to serve in World War II because of a heart condition, a barber moves his family adjacent to ...

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

Pete Postlethwaite stars as a man living alone in the devastated future world of 2055, looking at ol...