PBS NOVA Podcasts & Documentaries

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

Trace human development from embryo to newborn through stunning microimagery.

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

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

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

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

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

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

Take a wild ride into the quantum realm, where even the impossible seems possible.

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