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No Dark Matter = Proof of Dark Matter?

We’ve been failing to detect dark matter for decades. Finally, the latest failure to detect dark matter may have actually proved its existence. One of these is true: either most of the matter in the universe is invisible and formed of something not explained by modern particle physics OR our understanding of gravity is completely broken. Watch this episode from "PBS Space Time."

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Nova

Mystery Beneath The Ice

Dive under the ice to explore Antarctica's under-ice landscape with a team of scientists as they search for the mystery killer that's decimating the population of delicate shrimp-like creatures at the foundation of the Antarctic food chain.

  • 2020-06-05T07:00:00-07:00
    KCET-HD

Nova

Great Cathedral Mystery

The Duomo in Florence is a towering masterpiece of Renaissance ingenuity and an enduring source of mystery. A team of U.S. master bricklayers help build a unique experimental "mini-Duomo" using period tools and techniques. Will it stay intact during the final precarious stages of closing over the top of the dome?

  • 2020-06-07T15:00:00-07:00
    KCET-HD
  • 2020-06-07T18:00:00-07:00
    KCET-HD
  • 2020-06-10T07:00:00-07:00
    KCET-HD

Nova

Black Hole Apocalypse/Black Hole Universe

Join astrophysicist and novelist Janna Levin on a mind-blowing voyage to the frontiers of black hole science, which is shining new light on the most powerful and mysterious objects in the universe.

  • 2020-06-08T07:00:00-07:00
    KCET-HD

Nova

Black Hole Universe

  • 2020-06-09T07:00:00-07:00
    KCET-HD

Nova

Ghosts of Stonehenge

Who built Stonehenge and why? Discover how the last decade of groundbreaking archaeological digs has revealed major new clues to Britain's enigmatic 5,000-year-old site and the people who constructed it.

  • 2020-06-11T07:00:00-07:00
    KCET-HD
  • 2020-06-14T15:00:00-07:00
    KCET-HD
  • 2020-06-14T18:00:00-07:00
    KCET-HD

Nova

Secrets of Noah's Ark

A 3,700-year-old inscribed clay tablet reveals a surprising new version of the Biblical flood story, complete with how-to instructions for assembling an ark. Following the directions, expert boat builders assemble and launch a massive reed boat.

  • 2020-06-12T07:00:00-07:00
    KCET-HD

Nova

Arctic Ghost Ship

Unravel the greatest mystery in Arctic exploration: 160 years ago, the Franklin Expedition to chart the Northwest Passage vanished. Now, a Canadian team discovers one of Franklin's lost ships-a vital clue to the fate of the ill-starred expedition.

  • 2020-06-15T07:00:00-07:00
    KCET-HD

Nova

Look Who's Driving

Tech giants and car manufacturers alike are developing self-driving cars, and some of them are already on public roads. But what must computers be capable of to truly take the wheel? And could they eventually be safer than human drivers?

  • 2020-06-16T07:00:00-07:00
    KCET-HD

Nova

Rise of the Rockets

Marvel at a new era of space exploration and accessibility, thanks to NASA's return to crewed spaceflight, as well as private companies like SpaceX and Virgin Galactic, and technologies that make rockets cheaper and more powerful than ever.

  • 2020-06-17T07:00:00-07:00
    KCET-HD

Nova

Australia's First 4 Billion Years: Awakening

Of all the continents on Earth, none preserves a more spectacular story of its origins than Australia. NOVA's mini-series takes viewers on a rollicking adventure from the birth of the Earth to the emergence of the world we know today. With help from high-energy host and scientist Richard Smith, we meet titanic dinosaurs and giant kangaroos, sea monsters and prehistoric crustaceans, disappearing mountains and deadly asteroids. This is the untold story of the Land Down Under, the one island continent that has got it all.

  • 2020-06-18T07:00:00-07:00
    KCET-HD
  • 2020-06-28T15:00:00-07:00
    KCET-HD
  • 2020-06-28T18:00:00-07:00
    KCET-HD
  • 2020-06-29T07:00:00-07:00
    KCET-HD

Nova

Dead Sea Scroll Detectives

What can new technology reveal about the ancient Dead Sea Scrolls? Join scientists as they investigate suspicious, newly surfaced fragments to see if they're forfeited, and use imaging techniques to digitally unravel the charred remains of a scroll.

  • 2020-06-19T07:00:00-07:00
    KCET-HD

Nova

Nova

  • 2020-06-21T15:00:00-07:00
    KCET-HD
  • 2020-06-21T18:00:00-07:00
    KCET-HD
  • 2020-06-22T07:00:00-07:00
    KCET-HD

Nova

Australia's First 4 Billion Years: Monsters

Of all the continents on Earth, none preserves a more spectacular story of its origins than Australia. NOVA's mini-series takes viewers on a rollicking adventure from the birth of the Earth to the emergence of the world we know today. With help from high-energy host and scientist Richard Smith, we meet titanic dinosaurs and giant kangaroos, sea monsters and prehistoric crustaceans, disappearing mountains and deadly asteroids. This is the untold story of the Land Down Under, the one island continent that has got it all.

  • 2020-07-05T15:00:00-07:00
    KCET-HD