All Episodes

Search Engine Breakdown

Two leading researchers investigate racial bias built into widely used search engines.

Picture a Scientist

Researchers expose longstanding discrimination against women in science.

Looking for Life on Mars

NASA launches its most ambitious search yet for traces of ancient life on Mars.

Secrets in our DNA

What can DNA testing companies reveal about our ancestry and health, and at what risk?

About NOVA

NOVA brings you stories from the frontlines of science and engineering, answering the big questions of today and tomorrow, from how our ancestors lived, to whether parallel universes exist, to how technology will transform our lives. Visit the official website to watch full-length documentaries, or explore our world through short-form video, on our digital publication NOVA Next.

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