Humans May Have Lived in North America Earlier Than Thought

Ancient human footprints in White Sands National Park reveal that humans first arrived in North America thousands of years earlier than previously thought.

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Clip Season 49 Episode 9 Length 04:16 Premiere: 05/25/22

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Interview: The Fusion Future with Dennis Whyte

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Length 1:08:49 Premiere Date 07/30/26

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Length 1:15:20 Premiere Date 07/16/26

Interview: T. Rex to Birds with Steve Brusatte

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Interview: Dark Matter = Black Holes? with David Kaiser

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Exuma Cays 3

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Gooseberry Falls 2

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Sail Wing

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Length 01:04 Premiere Date 05/29/13

CloudLab_Megastorm_06

Length 00:40 Premiere Date 05/29/13

CloudLab_Megastorm_07

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Length 00:35 Premiere Date 05/28/13

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Electromagnetic Spectrum

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Solving the Storage Problem

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Season 49 Episodes

Show Episodes

Show Clips & Previews

Ice Age Footprints

S49 E9 Length 53:43 Premiere Date 05/25/22

Why Ships Crash

S49 E8 Length 53:20 Premiere Date 05/18/22

The Hidden Cause of Traffic Jams—and How to Solve Them

Clip Length 06:05 Premiere Date 08/18/22

How Seaweed May Help Revive Our Oceans

Clip Length 04:39 Premiere Date 08/18/22

The False Promise of Cloning Your Pet

Clip Length 06:37 Premiere Date 08/16/22

This Device Smells Diseases by Imitating a Dog's Nose

Clip Length 04:43 Premiere Date 05/26/22

Ice Age Footprints Preview

Preview Length 00:30 Premiere Date 05/25/22

Humans May Have Lived in North America Earlier Than Thought

Clip Length 04:16 Premiere Date 05/25/22

War Threatens Ukrainian Nuclear Power Plants

Clip Length 07:09 Premiere Date 04/04/22

Animal-to-Human Organ Transplants

Clip Length 04:59 Premiere Date 03/02/22

What is 5G, and is it Safe to Use on Planes?

Clip Length 05:39 Premiere Date 02/16/22

Introducing NOVA's Financial Lab

Clip Length 01:22 Premiere Date 02/11/22

Can South Carolina's Salt Marshes Be Saved?

Clip Length 08:27 Premiere Date 01/26/22

From Prison to Careers in STEM

Clip Length 08:12 Premiere Date 01/12/22

Could Antiviral Pills Change the Course of the Pandemic?

Clip Length 08:12 Premiere Date 01/05/22

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Evolution: Need to Feed - S53 E14

The surprising story of how our planet's diverse creatures became the furious feeding machines they are today.

Wednesday October 21, 2026 9:00 pm ET on KET
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Evolution: Body Builders - S53 E15

Discover the process behind the incredible variety of animal shapes and sizes.

Wednesday October 28, 2026 9:00 pm ET on KET
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Evolution: The Mating Game - S53 E16

Discover how the rise of sexual reproduction fuels diversity, pushing life to specialize and shaping everything from tiny single-celled organisms to towering ostriches.

Wednesday November 4, 2026 9:00 pm ET on KET
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Evolution: On the Run - S53 E17

An evolutionary ride from early aquatic ancestors to highly optimized runners like the horse.

Wednesday November 11, 2026 9:00 pm ET on KET
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Tuesday November 17, 2026 1:00 am ET on KET2
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NOVA Universe Revealed: Age of Stars - S48 E15

Premiered On: 10/27/2021

The Hubble Space Telescope and a heat-resistant solar probe reveal new clues about the sun's 5-billion-year history.

Monday November 16, 2026 5:00 pm ET on KET
Monday November 16, 2026 4:00 pm CT on KET

NOVA Universe Revealed: Milky Way - S48 E16

Premiered On: 11/03/2021

Explore the history of the Milky Way, including what shaped this spiral of stars, gas and dust and what its destiny will be.

Tuesday November 17, 2026 5:00 pm ET on KET
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NOVA Universe Revealed: Alien Worlds - S48 E17

Premiered On: 11/10/2021

New science and discoveries made possible by ultra-sensitive telescopes and detective work transform alien planet-hunting from science fiction into fact.

Wednesday November 18, 2026 5:00 pm ET on KET
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NOVA Universe Revealed: Black Holes - S48 E18

Premiered On: 11/17/2021

A new generation of high-powered telescopes brings black holes to light. Animation reveals what happens when objects stray too close to a black hole's point of no return.

Thursday November 19, 2026 5:00 pm ET on KET
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NOVA Universe Revealed: Big Bang - S48 E19

Premiered On: 11/24/2021

Nova probes the mystery of the Big Bang with stunning animation based on space telescope images.

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Evolution: Brain Power - S53 E13

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Space Wars - S53 E12

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Stone Age Masterpiece - S53 E11

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Knowledge Keepers - S53 E10

Tuesday September 29, 2026 1:00 am ET on KET2
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The Battle to Breathe - S53 E9

Tuesday September 22, 2026 1:00 am ET on KET2
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Top

Humans May Have Lived in North America Earlier Than Thought

Recent Episodes

Evolution: Brain Power

Space Wars

Stone Age Masterpiece

Knowledge Keepers

The Battle to Breathe

Return to the Moon

Sponsored by:

Clips & Previews

The Hidden Cause of Traffic Jams—and How to Solve Them

How Seaweed May Help Revive Our Oceans

The False Promise of Cloning Your Pet

This Device Smells Diseases by Imitating a Dog's Nose

Ice Age Footprints Preview

Humans May Have Lived in North America Earlier Than Thought

War Threatens Ukrainian Nuclear Power Plants

Animal-to-Human Organ Transplants

What is 5G, and is it Safe to Use on Planes?

Introducing NOVA's Financial Lab

Can South Carolina's Salt Marshes Be Saved?

From Prison to Careers in STEM

Could Antiviral Pills Change the Course of the Pandemic?

Specials

Interview: The Fusion Future with Dennis Whyte

Interview: Talking Dogs, Grumpy Cats, and Animal Communication with Federico Rossano

Interview: How to Save The “Doomsday Glacier” with Brent Minchew

Interview: The Hidden Math Behind Everything with Jordan Ellenberg

Interview: Hobbits, Neanderthals, and Dragon Man with Ella Al-Shamahi

Interview: The Future of AI and Us with Daniela Rus

Interview: Good Anxiety, Exercise, and Connection on the Brain with Wendy Suzuki

Interview: T. Rex to Birds with Steve Brusatte

Interview: Dark Matter = Black Holes? with David Kaiser

Interview: Discovering Dark Energy and the Hubble Tension with Nobel Prize Winner Adam Riess

Interview: Evolution of New Species, Venom, Wings, and More with Sean B. Carroll

Interview: De-Extinction, Dire Wolves, and Jurassic Park with Beth Shapiro

Particles of Thought: The Extremophile’s Guide to Life

Interview: The Animal Translator with Erich Jarvis

Interview: Brain Guru with Heather Berlin

Interview: Bob and Mike’s Big Idea with Bob Hazen and Mike Wong

Interview: Black Hole Badass with Janna Levin

Interview: The Deepfake Detective with Hany Farid

Interview: Mind of a Fossil Hunter with Kirk Johnson

When Machines Prescribe

Sands of Time

Keepers of the Coastline

Tides of Tradition

Standing the Heat

Megadroughts and Indigenous Voices

Harvesting the Future

Sea Change: Survival in the Gulf of Maine

Sea Change: Peril in the Gulf of Maine

Sea Change: Bounty in the Gulf of Maine

When Whales Could Walk (Español)

Ancient Builders of the Amazon (Español)

Ancient Maya Metropolis (Español)

Picture a Scientist (with Audio Description)

Treasures Metals Eiffel Tower

A Labyrinth of Lava

From Mud to Rock

Finding Stromatolites

Stromatolites Were Kings

Ancient Life

Millions of Years Captured in Chalk

A Fourteen-Foot Fish From Kansas

Hell Creek Formation

No Dinosaurs Above the Line

Mammal Survivors

Dinosaur Fossils

King of Gore

Driving Dinosaur Diversity

Pangea

Making Granite From Volcanic Rock

A Massive Volcanic Eruption

Rock Time Capsules

The Sandstone Top of the Canyon

Fossil-Filled Limestone

The Grand Canyon's Oldest Rocks

From Lava to Land

Semi-Precious Pebbles