The Thread of Life

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

After a woman's at-home DNA test reveals multiple half-siblings, she discovers a shocking scheme involving donor sperm and a popular fertility doctor.

How did your body become the complicated, quirky, amazing machine it is today? Anatomist Neil Shubin uncovers the answers in this 3-part science...

Can science help us understand these crimes?

A well-preserved mammoth carcass is found in the remote New Siberian Islands in the Arctic Ocean, opening up the possibility of a world-changing...

What's the point of music? You might be tempted to answer that it's an enjoyable pastime or an art form, but nothing really essential. For the first...

The documentary tells two very different human fates in the 1920s Soviet Union. Nikolai Vavilov was a botanical genius, Trofim Lyssenko was an...

Through our subject Adam, we reveal the incredible changes and forces that take all humankind from Cradle to Grave.

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....

Three million years ago, camels roamed through Greenland’s endless forests and our ancestors lived in the trees. It all came to an end with...