NOVA

Science and Nature Series / 24 Seasons

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.

Watch Latest: S51 E8

53m 38s

Decoding the Universe: Cosmos

S51 E8 / 53m 38s

How big is the universe? Will it ever end? Why is so much of it made of mysterious dark matter and energy? See how mind-bending discoveries over the past 50 years have revolutionized our understanding of the universe.

Secrets in Your Data

S51 E7 / 53m 40s

Whether you’re on social media or surfing the web, you’re probably sharing more personal data than you realize. Find out where your data is going, who’s selling it, and how you – and a new kind of web – could put control back in your hands.

Great American Eclipse

S51 E6 / 53m 34s

Explore the spectacular cosmic phenomenon of a total solar eclipse. In April 2024, the Moon’s shadow is sweeping from Texas to Maine, as the U.S. witnesses its last total eclipse until 2044, and scientists scramble to unlock the secrets of our Sun.

A.I. Revolution

S51 E5 / 53m 30s

A.I. tools like ChatGPT seem to think, speak, and create like humans. But what are they really doing? From cancer cures to Terminator-style takeovers, leading experts explore what A.I. can – and can’t – do today, and what lies ahead.

Hunt for the Oldest DNA

S51 E4 / 53m 10s

For decades, scientists have tried to unlock the secrets of ancient DNA. Follow the dramatic quest to recover DNA millions of years old and reveal a lost world from before the last Ice Age.

Donate to watch

Building the Eiffel Tower

S51 E3 / 53m 29s

Explore the revolutionary engineering behind Paris’s iconic landmark. Completed in 1889, the iron tower smashed the record for the tallest structure on Earth, ushering in a new age of global construction that reached for the skies.

Donate to watch

Easter Island Origins

S51 E2 / 53m 17s / TV-PG

The giant stone heads of Easter Island have inspired theories for centuries. Now, new research reveals intriguing evidence of the origins and inspirations of the ancient Rapanui people who created the iconic monoliths.

Donate to watch

When Whales Could Walk

S51 E1 / 53m 31s

A spectacular fossil graveyard reveals a 43-million-year-old whale that had four legs and could walk. Follow scientists as they search for new clues to how mammals moved from land into the sea to become the largest animals on Earth.

Supported by