PBS NOVA Podcasts & Documentaries

This new documentary from the popular PBS science program NOVA examines many of the questions that cannabis poses as it has become legal to the majority of the American population.

Einstein's Dream: Eleven dimensions, parallel universes, and a world made out of strings. It's not science fiction, it's string theory.

As global temperatures continue to rise, scientists are wondering if we need solutions that go beyond reducing emissions.

Eleven dimensions, parallel universes and a world made out of strings. It's not science fiction, it's string theory.

It defines our lives, but what is time really? Have a look into its true nature.

Is our universe unique, or could it be just one in an endless "multiverse"?

A two-hour special from the producers of "Making Stuff"

Trace human development from embryo to newborn through stunning microimagery.

Surprising clues indicate that space is very much something and not nothing.

We are on the verge of answering one of the greatest questions in history: Are we alone?