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Hunt for the Oldest DNA

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.
Season 51 Episode 4 Length 53:10 Premiere: 02/21/24

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Season 51 Episodes

Great American Eclipse

S51 E6 Length 53:34 Premiere Date 04/03/24

A.I. Revolution

S51 E5 Length 53:30 Premiere Date 03/27/24

Hunt for the Oldest DNA

S51 E4 Length 53:10 Premiere Date 02/21/24

Building the Eiffel Tower

S51 E3 Length 53:29 Premiere Date 02/14/24

Easter Island Origins

S51 E2 Length 53:17 Premiere Date 02/07/24

When Whales Could Walk

S51 E1 Length 53:31 Premiere Date 01/31/24

How America watched the solar eclipse

Clip Length 02:13 Premiere Date 04/12/24

How to watch the eclipse without burning your eyes

Clip Length 01:59 Premiere Date 04/01/24

The discovery of worlds beyond our solar system

Clip Length 01:39 Premiere Date 03/25/24

Rare stellar explosion will ignite a "new star"

Clip Length 01:17 Premiere Date 03/25/24

The force that makes up more than half of the universe

Clip Length 01:40 Premiere Date 03/12/24

Hunt for the Oldest DNA Preview

Preview Length 00:30 Premiere Date 02/21/24

When Camels Roamed the Arctic

Clip Length 02:54 Premiere Date 02/21/24

How parrots swing like monkeys

Clip Length 01:36 Premiere Date 02/15/24

A Mind for Music

Clip Length 04:05 Premiere Date 02/09/11

Modeling a Comet Airburst

Clip Length 03:20 Premiere Date 02/09/11

Six Questions with David Pogue

Clip Length 02:33 Premiere Date 01/04/11

Surviving an Elevator Fall

Clip Length 01:31 Premiere Date 08/23/10

Shabbat Elevator

Clip Length 02:42 Premiere Date 08/23/10

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Weathering the Future - S50 E5

As extreme weather in the U.S. impacts more people - with longer heat waves, more intense rainstorms, megafires, and droughts - discover how Americans are fighting back by marshaling ancient wisdom and innovating new solutions.

  • Monday April 22, 2024 4:00 pm ET on KETWORLD
  • Monday April 22, 2024 3:00 pm CT on KETWORLD

Making North America: Origins - S42 E20

Premiered On: 11/04/2015

Discover how forces of almost unimaginable power gave birth to the continent of North America.

  • Tuesday April 23, 2024 12:00 am ET on KET2
  • Monday April 22, 2024 11:00 pm CT on KET2
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Making North America: Life - S42 E21

Premiered On: 11/11/2015

The mysteries of how life evolved in North America, including the arrival of humans, are explored.

  • Wednesday April 24, 2024 10:00 pm ET on KET
  • Wednesday April 24, 2024 9:00 pm CT on KET
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  • Sunday April 28, 2024 7:00 pm ET on KET2
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  • Tuesday April 30, 2024 12:00 am ET on KET2
  • Monday April 29, 2024 11:00 pm CT on KET2

Making North America: Human - S42 E22

Premiered On: 11/18/2015

From Ice Age to oil boom, discover the challenges faced and the wealth uncovered as humans take over the continent.

  • Wednesday May 1, 2024 10:00 pm ET on KET
  • Wednesday May 1, 2024 9:00 pm CT on KET
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  • Sunday May 5, 2024 7:00 pm ET on KET2
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  • Monday May 6, 2024 11:00 pm CT on KET2
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Why Bridges Collapse - S46 E18

Premiered On: 10/16/2019

NOVA investigates what may have led to the collapse of the Polcevera Bridge in Genoa, Italy, that killed 43 people. But the Polcevera Bridge isn't alone. Join experts as they compare what happened to the Polcevera with other deadly bridge collapses, including Minnesota's I-35W bridge over the Mississippi and the famed Silver Bridge over the Ohio River.

  • Wednesday May 8, 2024 10:00 pm ET on KET
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Secrets in Your Data - S51 E7

Alok Patel takes a look at what happens to the personal data shared on social media and efforts to maximize benefits without compromising personal privacy.

  • Wednesday May 15, 2024 9:00 pm ET on KET
  • Wednesday May 15, 2024 8:00 pm CT on KET
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  • Tuesday May 21, 2024 12:00 am ET on KET2
  • Monday May 20, 2024 11:00 pm CT on KET2

Decoding the Universe: Cosmos - S51 E8

Trace groundbreaking discoveries in space research and exploration and follow the teams trying to solve two mysteries in cosmology - dark matter and dark energy.

  • Wednesday May 22, 2024 9:00 pm ET on KET
  • Wednesday May 22, 2024 8:00 pm CT on KET
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Making North America: Origins - S42 E20

  • Sunday April 21, 2024 7:00 pm ET on KET2
  • Sunday April 21, 2024 6:00 pm CT on KET2
  • Friday April 19, 2024 3:00 am ET on KET
  • Friday April 19, 2024 2:00 am CT on KET
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Ancient Maya Metropolis - S48 E22

  • Wednesday April 17, 2024 8:00 am ET on KETWORLD
  • Wednesday April 17, 2024 7:00 am CT on KETWORLD
  • Wednesday April 17, 2024 12:00 am ET on KETWORLD
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Secrets of the Forbidden City - S44 E15

  • Friday April 5, 2024 3:00 am ET on KET
  • Friday April 5, 2024 2:00 am CT on KET
  • Wednesday April 3, 2024 10:00 pm ET on KET
  • Wednesday April 3, 2024 9:00 pm CT on KET

Great American Eclipse - S51 E6

  • Wednesday April 10, 2024 8:00 am ET on KETWORLD
  • Wednesday April 10, 2024 7:00 am CT on KETWORLD
  • Wednesday April 10, 2024 12:00 am ET on KETWORLD
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  • Thursday April 4, 2024 4:00 pm CT on KET
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  • Wednesday April 3, 2024 7:00 pm CT on KET

A.I. Revolution - S51 E5

  • Wednesday April 3, 2024 5:00 pm ET on KET
  • Wednesday April 3, 2024 4:00 pm CT on KET
  • Wednesday April 3, 2024 8:00 am ET on KETWORLD
  • Wednesday April 3, 2024 7:00 am CT on KETWORLD
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  • Wednesday March 27, 2024 9:00 pm ET on KET
  • Wednesday March 27, 2024 8:00 pm CT on KET

Why Bridges Collapse - S46 E18

  • Sunday March 24, 2024 7:00 pm ET on KET2
  • Sunday March 24, 2024 6:00 pm CT on KET2

Polar Extremes - S47 E1

  • Wednesday March 27, 2024 8:00 am ET on KETWORLD
  • Wednesday March 27, 2024 7:00 am CT on KETWORLD
  • Wednesday March 27, 2024 12:00 am ET on KETWORLD
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