Fossil-Filled Limestone

About a thousand feet below the rim of the canyonthe rock changes to limestones and it’s loaded with fossils. “I’ve got a little fossil coral in my hand. And it’s fossils like this that tells us that this whole landscape was once underwater.”

Length 00:54 Premiere: 10/21/15

Recent Episodes

Return to the Moon

S53 E7 Length 53:08 Premiere Date 04/29/26

Rain Bombs

S53 E5 Length 53:24 Premiere Date 04/22/26

Athens: Birth of Democracy

S53 E8 Length 53:40 Premiere Date 04/15/26

Stone Age Temple Mystery

S53 E6 Length 53:25 Premiere Date 02/25/26

Mammal Origins

S53 E4 Length 53:38 Premiere Date 02/11/26

Can Dogs Talk?

S53 E3 Length 53:39 Premiere Date 02/04/26

Clips & Previews

Rebuilding 7 World Trade Center

Clip Length 01:48 Premiere Date 08/31/11

The 9/11 Memorial Mock-Up

Clip Length 01:54 Premiere Date 08/24/11

Solving an Engineering Problem

Clip Length 02:49 Premiere Date 08/24/11

Walls of Glass

Clip Length 02:29 Premiere Date 08/24/11

The Memorial Plaques

Clip Length 02:31 Premiere Date 08/24/11

Brian Greene Answers Your Questions

Clip Length 01:07 Premiere Date 08/02/11

A Strict Carbon Diet

Clip Length 02:58 Premiere Date 04/12/11

Green Energy in China

Clip Length 05:09 Premiere Date 04/12/11

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

Specials

Interview: The Future of AI and Us with Daniela Rus

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

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

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

Interview: T. Rex to Birds with Steve Brusatte

Length 1:24:42 Premiere Date 07/02/26

Interview: Dark Matter = Black Holes? with David Kaiser

Length 1:23:48 Premiere Date 06/18/26

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

Length 1:16:19 Premiere Date 12/19/25

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

Length 1:24:09 Premiere Date 12/05/25

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

Length 54:49 Premiere Date 11/21/25

Particles of Thought: The Extremophile’s Guide to Life

Length 1:11:15 Premiere Date 11/04/25

Interview: The Animal Translator with Erich Jarvis

Length 1:03:49 Premiere Date 10/21/25

Interview: Brain Guru with Heather Berlin

Length 1:28:59 Premiere Date 10/07/25

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

Length 1:11:13 Premiere Date 09/23/25

Interview: Black Hole Badass with Janna Levin

Length 1:19:54 Premiere Date 09/05/25

Interview: The Deepfake Detective with Hany Farid

Length 1:25:01 Premiere Date 08/26/25

Interview: Mind of a Fossil Hunter with Kirk Johnson

Length 1:37:18 Premiere Date 08/18/25

When Machines Prescribe

Length 17:19 Premiere Date 04/30/25

Sands of Time

Length 06:47 Premiere Date 09/13/24

Keepers of the Coastline

Length 11:56 Premiere Date 09/13/24

Tides of Tradition

Length 09:47 Premiere Date 09/13/24

Standing the Heat

Length 08:44 Premiere Date 09/13/24

Megadroughts and Indigenous Voices

Length 07:51 Premiere Date 09/13/24

Harvesting the Future

Length 09:22 Premiere Date 09/13/24

Sea Change: Survival in the Gulf of Maine

Length 53:30 Premiere Date 08/07/24

Sea Change: Peril in the Gulf of Maine

Length 53:30 Premiere Date 07/31/24

Sea Change: Bounty in the Gulf of Maine

Length 53:30 Premiere Date 07/24/24

When Whales Could Walk (Español)

Length 53:30 Premiere Date 01/01/24

Ancient Builders of the Amazon (Español)

Length 53:21 Premiere Date 02/15/23

Ancient Maya Metropolis (Español)

Length 53:31 Premiere Date 01/26/22

Picture a Scientist (with Audio Description)

Length 1:52:37 Premiere Date 04/14/21

Treasures Metals Eiffel Tower

Length 02:09 Premiere Date 12/09/16

A Labyrinth of Lava

Length 01:13 Premiere Date 11/02/15

From Mud to Rock

Length 01:36 Premiere Date 10/22/15

Finding Stromatolites

Length 01:23 Premiere Date 10/22/15

Stromatolites Were Kings

Length 01:05 Premiere Date 10/22/15

Ancient Life

Length 00:28 Premiere Date 10/22/15

Millions of Years Captured in Chalk

Length 01:17 Premiere Date 10/22/15

A Fourteen-Foot Fish From Kansas

Length 01:38 Premiere Date 10/22/15

Hell Creek Formation

Length 01:10 Premiere Date 10/22/15

No Dinosaurs Above the Line

Length 02:00 Premiere Date 10/22/15

Mammal Survivors

Length 01:40 Premiere Date 10/22/15

Dinosaur Fossils

Length 01:53 Premiere Date 10/22/15

King of Gore

Length 02:00 Premiere Date 10/22/15

Driving Dinosaur Diversity

Length 01:47 Premiere Date 10/22/15

Pangea

Length 00:56 Premiere Date 10/22/15

Making Granite From Volcanic Rock

Length 02:16 Premiere Date 10/22/15

A Massive Volcanic Eruption

Length 01:14 Premiere Date 10/22/15

Rock Time Capsules

Length 01:18 Premiere Date 10/21/15

The Sandstone Top of the Canyon

Length 01:15 Premiere Date 10/21/15

Fossil-Filled Limestone

Length 00:54 Premiere Date 10/21/15

The Grand Canyon's Oldest Rocks

Length 00:19 Premiere Date 10/21/15

From Lava to Land

Length 02:14 Premiere Date 10/21/15

Semi-Precious Pebbles

Length 00:57 Premiere Date 10/21/15

Five Steps of Volcanic Rock

Length 00:26 Premiere Date 10/21/15

Tearing North America Apart

Length 01:01 Premiere Date 10/21/15

Fossilized Sand Dunes

Length 01:15 Premiere Date 10/21/15

Volcanoes of Sand

Length 01:33 Premiere Date 10/21/15

Rockies 2.0

Length 02:00 Premiere Date 10/21/15

Manhattan Schist

Length 01:13 Premiere Date 10/21/15

Manhattan Skyline

Length 00:52 Premiere Date 10/21/15

New York's Mountains

Length 01:13 Premiere Date 10/21/15

Mendenhall Glacier

Length 02:51 Premiere Date 08/02/15

Monument Rocks 1

Length 01:18 Premiere Date 08/02/15

Monument Rocks 2

Length 01:48 Premiere Date 08/02/15

Exuma Cays 1

Length 01:26 Premiere Date 08/02/15

Exuma Cays 3

Length 00:28 Premiere Date 08/02/15

Exuma Cays 4

Length 03:22 Premiere Date 08/02/15

Gooseberry Falls 1

Length 00:57 Premiere Date 08/02/15

Gooseberry Falls 2

Length 00:24 Premiere Date 08/02/15

Gooseberry Falls 3

Length 01:06 Premiere Date 08/02/15

Gooseberry Falls 4

Length 01:01 Premiere Date 08/02/15

Mount Kilauea

Length 01:30 Premiere Date 08/02/15

Grand Canyon 1

Length 01:19 Premiere Date 08/02/15

Grand Canyon 2

Length 01:05 Premiere Date 08/02/15

Grand Canyon 3

Length 00:58 Premiere Date 08/02/15

Grand Canyon 4

Length 00:19 Premiere Date 08/02/15

Lethal Seas Excerpt 1

Length 04:11 Premiere Date 05/12/15

Lethal Seas Excerpt 2

Length 01:00 Premiere Date 05/12/15

Lethal Seas Excerpt 3

Length 00:35 Premiere Date 05/12/15

Lethal Seas Excerpt 4

Length 00:51 Premiere Date 05/12/15

The Mother of Hubble

Length 02:28 Premiere Date 04/14/15

Formation of a Typhoon

Length 01:34 Premiere Date 06/25/14

Flatfish Larvae

Length 00:51 Premiere Date 05/06/14

RNAi Explained

Length 01:47 Premiere Date 04/22/14

Dolphin Mirror

Length 03:18 Premiere Date 04/22/14

Dogs' Sense of Time

Length 01:28 Premiere Date 04/13/14

Cockatoo Excerpt

Length 01:30 Premiere Date 04/08/14

How Solar Cells Work

Length 00:33 Premiere Date 02/26/14

Solar Power's Promise

Length 00:51 Premiere Date 02/26/14

Microneedle

Length 01:41 Premiere Date 12/30/13

GM Plants

Length 01:27 Premiere Date 11/15/13

Non-Newtonian Gel

Length 01:00 Premiere Date 11/15/13

Soft-Story Buildings

Length 07:36 Premiere Date 11/13/13

Levitation

Length 00:50 Premiere Date 10/24/13

Superconductor

Length 01:47 Premiere Date 10/24/13

Animal Robot 1

Length 02:35 Premiere Date 10/24/13

Animal Robot 2

Length 02:02 Premiere Date 10/24/13

Therapeutic Hypothermia

Length 01:11 Premiere Date 10/24/13

Therapeutic Hypothermia 2

Length 01:07 Premiere Date 10/24/13

Therapeutic Hypothermia 3

Length 01:43 Premiere Date 10/24/13

Therapeutic Hypothermia 4

Length 02:01 Premiere Date 10/24/13

Swarming Robots

Length 01:31 Premiere Date 10/21/13

Sneak Peek: Making Stuff Wilder

Length 06:14 Premiere Date 10/21/13

Virus Battery

Length 02:21 Premiere Date 10/19/13

Robot Arm

Length 00:56 Premiere Date 10/19/13

Elephant Arm

Length 01:22 Premiere Date 10/19/13

FinGripper

Length 00:55 Premiere Date 10/19/13

Sail Wing

Length 01:02 Premiere Date 10/19/13

Hydrofoil

Length 01:01 Premiere Date 10/19/13

Chicken Feathers

Length 01:56 Premiere Date 10/19/13

KillaCycle

Length 00:48 Premiere Date 10/19/13

How Batteries Work

Length 00:49 Premiere Date 10/19/13

Muon Detection

Length 01:52 Premiere Date 10/19/13

Muons

Length 01:25 Premiere Date 10/19/13

Plants White

Length 02:11 Premiere Date 10/19/13

DNA Patch

Length 01:19 Premiere Date 10/19/13

DNA Vaccine

Length 00:38 Premiere Date 10/19/13

Earthquake Test

Length 02:03 Premiere Date 10/19/13

David Drives

Length 01:27 Premiere Date 10/19/13

Shelley

Length 02:07 Premiere Date 10/19/13

Pitcher Plant

Length 01:48 Premiere Date 10/17/13

SLIPS

Length 01:01 Premiere Date 10/17/13

Hagfish

Length 00:51 Premiere Date 10/17/13

Hagfish Defense

Length 01:36 Premiere Date 10/17/13

Slime Clothes

Length 01:00 Premiere Date 10/17/13

New York City One Year Later: Telecommunications

Length 03:14 Premiere Date 10/16/13

Sneak Peek: Making Stuff Faster

Length 05:06 Premiere Date 10/15/13

David's Race

Length 01:28 Premiere Date 10/15/13

Steffen's Plan

Length 01:59 Premiere Date 10/15/13

Traveling Salesman

Length 01:21 Premiere Date 10/15/13

Eye Robot

Length 01:51 Premiere Date 10/10/13

Corkscrew Robot

Length 00:32 Premiere Date 10/10/13

Slow Goldfish

Length 01:39 Premiere Date 10/10/13

Bee Toxin

Length 01:31 Premiere Date 10/10/13

Mild Traumatic Brain Injury

Length 03:36 Premiere Date 10/07/13

Invisibility Cloak

Length 01:22 Premiere Date 09/24/13

Shape Memory Alloys

Length 00:32 Premiere Date 09/08/13

Jellyfish

Length 00:38 Premiere Date 09/08/13

Bird Wings

Length 01:56 Premiere Date 09/08/13

Shrinking Chips

Length 01:06 Premiere Date 09/05/13

Pizza Transistor

Length 01:34 Premiere Date 09/05/13

Graphene

Length 01:11 Premiere Date 09/05/13

Wheat Straw Plastic

Length 01:04 Premiere Date 08/29/13

Solar Leaves

Length 00:53 Premiere Date 08/29/13

Battle Jacket

Length 01:49 Premiere Date 08/29/13

Oobleck

Length 00:40 Premiere Date 08/29/13

Magnetic Oobleck

Length 00:54 Premiere Date 08/29/13

Life-Saving Non-Newtonian Fluids

Length 01:43 Premiere Date 08/29/13

Silicon Transistors

Length 00:50 Premiere Date 08/29/13

Starling 8

Length 00:44 Premiere Date 07/15/13

sandy-raw-1-2

Length 00:04 Premiere Date 07/08/13

sandy-raw-5-1

Length 01:02 Premiere Date 07/08/13

Chemotherapy Goes Small

Length 01:17 Premiere Date 07/01/13

The Making of a Cloud Old

Length 03:10 Premiere Date 06/30/13

Why So Many Cloud Types?

Length 03:35 Premiere Date 06/30/13

Clouds and Weather

Length 03:21 Premiere Date 06/30/13

Severe Storms

Length 03:37 Premiere Date 06/30/13

The Climate Wild Card

Length 03:02 Premiere Date 06/30/13

Life on Europa?

Length 02:25 Premiere Date 06/09/13

CloudLab_Megastorm_03

Length 01:41 Premiere Date 05/29/13

CloudLab_Megastorm_04

Length 01:43 Premiere Date 05/29/13

CloudLab_Megastorm_05

Length 01:04 Premiere Date 05/29/13

CloudLab_Megastorm_06

Length 00:40 Premiere Date 05/29/13

CloudLab_Megastorm_07

Length 03:07 Premiere Date 05/29/13

CloudLab_Megastorm_01

Length 00:35 Premiere Date 05/28/13

CloudLab_Megastorm_02

Length 00:31 Premiere Date 05/28/13

What Made the 1918 Flu So Deadly?

Length 01:28 Premiere Date 05/13/13

How the 1918 Flu Infected People

Length 00:25 Premiere Date 05/13/13

Fertilizing the Amazon

Length 03:27 Premiere Date 04/21/13

Flu Probabilities

Length 01:53 Premiere Date 04/16/13

Rare Earth Elements

Length 04:17 Premiere Date 04/01/13

CHNOPS: Ingredients for Life

Length 02:36 Premiere Date 03/12/13

Electromagnetic Spectrum

Length 00:44 Premiere Date 02/28/13

MODIS Sensor

Length 00:26 Premiere Date 02/28/13

Solving the Storage Problem

Length 02:26 Premiere Date 10/25/12

Putting Energy to Use Old

Length 02:14 Premiere Date 10/08/12

Season Episodes

Show Episodes

Show Clips & Previews

Athens: Birth of Democracy

S53 E8 Length 53:40 Premiere Date 04/15/26

Return to the Moon

S53 E7 Length 53:08 Premiere Date 04/29/26

Stone Age Temple Mystery

S53 E6 Length 53:25 Premiere Date 02/25/26

Rain Bombs

S53 E5 Length 53:24 Premiere Date 04/22/26

Mammal Origins

S53 E4 Length 53:38 Premiere Date 02/11/26

Can Dogs Talk?

S53 E3 Length 53:39 Premiere Date 02/04/26

Angkor: Hidden Jungle Empire

S53 E2 Length 53:39 Premiere Date 01/28/26

Asteroids: Spark of Life?

S53 E1 Length 53:31 Premiere Date 01/21/26

Rebuilding 7 World Trade Center

Clip Length 01:48 Premiere Date 08/31/11

The 9/11 Memorial Mock-Up

Clip Length 01:54 Premiere Date 08/24/11

Solving an Engineering Problem

Clip Length 02:49 Premiere Date 08/24/11

Walls of Glass

Clip Length 02:29 Premiere Date 08/24/11

The Memorial Plaques

Clip Length 02:31 Premiere Date 08/24/11

Brian Greene Answers Your Questions

Clip Length 01:07 Premiere Date 08/02/11

A Strict Carbon Diet

Clip Length 02:58 Premiere Date 04/12/11

Green Energy in China

Clip Length 05:09 Premiere Date 04/12/11

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

See All Episodes

TV Schedules

Jump to Recent Airdates

Upcoming

Return to the Moon - S53 E8

Follow the Artemis II engineers and crew on a perilous 10-day journey to orbit the Moon.

Thursday August 13, 2026 4:30 pm ET on KET
Thursday August 13, 2026 3:30 pm CT on KET

Human: Origins - S52 E12

Trace the remarkable origins of Homo sapiens and the crucial moments that shaped our species.

Wednesday August 19, 2026 9:00 pm ET on KET
Wednesday August 19, 2026 8:00 pm CT on KET
Thursday August 20, 2026 5:00 pm ET on KET
Thursday August 20, 2026 4:00 pm CT on KET
Friday August 21, 2026 2:00 am ET on KET
Friday August 21, 2026 1:00 am CT on KET
Sunday August 23, 2026 7:00 pm ET on KET2
Sunday August 23, 2026 6:00 pm CT on KET2
Tuesday August 25, 2026 1:00 am ET on KET2
Tuesday August 25, 2026 12:00 am CT on KET2

Human: Into the Americas - S52 E15

Follow the perilous journey of ancient humans into the Americas, where a frigid Ice Age landscape and fearsome beasts, like mammoths, tested their resilience.

Wednesday August 26, 2026 9:00 pm ET on KET
Wednesday August 26, 2026 8:00 pm CT on KET
Thursday August 27, 2026 5:00 pm ET on KET
Thursday August 27, 2026 4:00 pm CT on KET
Friday August 28, 2026 2:00 am ET on KET
Friday August 28, 2026 1:00 am CT on KET
Sunday August 30, 2026 7:00 pm ET on KET2
Sunday August 30, 2026 6:00 pm CT on KET2
Tuesday September 1, 2026 1:00 am ET on KET2
Tuesday September 1, 2026 12:00 am CT on KET2

Egypt's Tombs of Amun - S52 E4

The discovery of a long-lost ancient cemetery in Egypt's sacred desert reveals details of a unique period when women had remarkable power.

Wednesday September 2, 2026 9:00 pm ET on KET
Wednesday September 2, 2026 8:00 pm CT on KET
Thursday September 3, 2026 5:00 pm ET on KET
Thursday September 3, 2026 4:00 pm CT on KET
Friday September 4, 2026 2:00 am ET on KET
Friday September 4, 2026 1:00 am CT on KET
Sunday September 6, 2026 7:00 pm ET on KET2
Sunday September 6, 2026 6:00 pm CT on KET2
Tuesday September 8, 2026 1:00 am ET on KET2
Tuesday September 8, 2026 12:00 am CT on KET2

Angkor: Hidden Jungle Empire - S53 E2

Deep in the Cambodian jungle lie the ruins of Angkor, a marvel of urban engineering and the seat of the once-mighty Khmer Empire. New discoveries are revealing how this ancient metropolis was built and what likely led to its devastating collapse.

Wednesday September 9, 2026 9:00 pm ET on KET
Wednesday September 9, 2026 8:00 pm CT on KET
Thursday September 10, 2026 5:00 pm ET on KET
Thursday September 10, 2026 4:00 pm CT on KET
Friday September 11, 2026 2:00 am ET on KET
Friday September 11, 2026 1:00 am CT on KET

Jump to Upcoming Airdates

Recent

Return to the Moon - S53 E8

Friday August 7, 2026 2:00 am ET on KET
Friday August 7, 2026 1:00 am CT on KET
Thursday August 6, 2026 5:00 pm ET on KET
Thursday August 6, 2026 4:00 pm CT on KET
Wednesday August 5, 2026 9:00 pm ET on KET
Wednesday August 5, 2026 8:00 pm CT on KET

Pluto and Beyond - S46 E1

Tuesday August 4, 2026 1:00 am ET on KET2
Tuesday August 4, 2026 12:00 am CT on KET2
Sunday August 2, 2026 7:00 pm ET on KET2
Sunday August 2, 2026 6:00 pm CT on KET2
Friday July 31, 2026 2:00 am ET on KET
Friday July 31, 2026 1:00 am CT on KET
Thursday July 30, 2026 5:00 pm ET on KET
Thursday July 30, 2026 4:00 pm CT on KET
Wednesday July 29, 2026 9:00 pm ET on KET
Wednesday July 29, 2026 8:00 pm CT on KET

Chasing Pluto - S42 E13

Tuesday July 28, 2026 1:00 am ET on KET2
Tuesday July 28, 2026 12:00 am CT on KET2
Sunday July 26, 2026 7:00 pm ET on KET2
Sunday July 26, 2026 6:00 pm CT on KET2
Friday July 24, 2026 2:00 am ET on KET
Friday July 24, 2026 1:00 am CT on KET
Thursday July 23, 2026 5:00 pm ET on KET
Thursday July 23, 2026 4:00 pm CT on KET
Wednesday July 22, 2026 9:00 pm ET on KET
Wednesday July 22, 2026 8:00 pm CT on KET

Black Hole Universe - S45 E2

Tuesday July 21, 2026 1:00 am ET on KET2
Tuesday July 21, 2026 12:00 am CT on KET2
Sunday July 19, 2026 7:00 pm ET on KET2
Sunday July 19, 2026 6:00 pm CT on KET2
Friday July 17, 2026 2:00 am ET on KET
Friday July 17, 2026 1:00 am CT on KET
Thursday July 16, 2026 5:00 pm ET on KET
Thursday July 16, 2026 4:00 pm CT on KET
Wednesday July 15, 2026 9:00 pm ET on KET
Wednesday July 15, 2026 8:00 pm CT on KET

Black Hole Apocalypse - S45 E1

Tuesday July 14, 2026 1:00 am ET on KET2
Tuesday July 14, 2026 12:00 am CT on KET2
Sunday July 12, 2026 7:00 pm ET on KET2
Sunday July 12, 2026 6:00 pm CT on KET2
Friday July 10, 2026 2:00 am ET on KET
Friday July 10, 2026 1:00 am CT on KET
Thursday July 9, 2026 5:00 pm ET on KET
Thursday July 9, 2026 4:00 pm CT on KET

Top

Fossil-Filled Limestone

Recent Episodes

Return to the Moon

Rain Bombs

Athens: Birth of Democracy

Stone Age Temple Mystery

Mammal Origins

Can Dogs Talk?

Sponsored by:

Clips & Previews

Rebuilding 7 World Trade Center

The 9/11 Memorial Mock-Up

Solving an Engineering Problem

Walls of Glass

The Memorial Plaques

Brian Greene Answers Your Questions

A Strict Carbon Diet

Green Energy in China

A Mind for Music

Modeling a Comet Airburst

Six Questions with David Pogue

Surviving an Elevator Fall

Shabbat Elevator

Specials

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

Five Steps of Volcanic Rock

Tearing North America Apart

Fossilized Sand Dunes

Volcanoes of Sand

Rockies 2.0