NOVA

New map of the universe hints that dark energy may be evolving

An international group of astronomers have announced a hint that could fundamentally change what we think we know about the universe—and how we think it might come to an end.

New map of the universe hints that dark energy may be evolving

3m

  • 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.

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