NOVA

Ancient whale fossils found in the desert

This part of the Sahara Desert is the resting place of some of the earliest whales ever found. These fossils may hold the key to how whales evolved.

Ancient whale fossils found in the desert

2m 10s

  • Decoding the Universe: Cosmos: asset-mezzanine-16x9

    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.

  • Great American Eclipse: asset-mezzanine-16x9

    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: asset-mezzanine-16x9

    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.

WETA Passport

Stream tens of thousands of hours of your PBS and local favorites with WETA Passport whenever and wherever you want. Catch up on a single episode or binge-watch full seasons before they air on TV.