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Eons
Join hosts Michelle Barboza-Ramirez, Kallie Moore, and Blake de Pastino as they take you on a journey through the history of life on Earth. From the dawn of life in the Archaean Eon through the Mesozoic Era — the so-called "Age of Dinosaurs" -- right up to the end of the most recent Ice Age.
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Seasons (11)
Season 2017
- 1The Trouble With Trilobites26 Jun 2017
- 2When Did the First Flower Bloom?3 Jul 2017
- 3The Tully Monster & Other Problematic Creatures11 Jul 2017
- 4Stegosaurs: Tiny Brains & Thagomizers17 Jul 2017
- 5What Colors Were Dinosaurs?24 Jul 2017
- 6The Story of Saberteeth31 Jul 2017
- 7That Time Oxygen Almost Killed Everything7 Aug 2017
- 8The Biggest Thing That Ever Flew14 Aug 2017
- 9Dimetrodon: Our Most Unlikely Ancestor21 Aug 2017
- 10The Extinction That Never Happened28 Aug 2017
- 11The Strange Case of the Buzzsaw Jaws11 Sep 2017
- 12The Age of Giant Insects18 Sep 2017
- 13History's Most Powerful Plants26 Sep 2017
- 14How Did Dinosaurs Get So Huge?2 Oct 2017
- 15When The Earth Was Purple9 Oct 2017
- 16'Living Fossils' Aren't Really a Thing16 Oct 2017
- 17When Whales Walked23 Oct 2017
- 18An Illustrated History of Dinosaurs30 Oct 2017
- 19A Brief History of Geologic Time6 Nov 2017
- 20The Search for the Earliest Life20 Nov 2017
- 21The Facts About Dinosaurs & Feathers27 Nov 2017
- 22The Last Time the Globe Warmed4 Dec 2017
- 23What Happened to the World's Greatest Ape?11 Dec 2017
- 24When Giant Fungi Ruled18 Dec 2017
Season 2018
- 1How Two Microbes Changed History15 Jan 2018
- 2The Time Terror Birds Invaded22 Jan 2018
- 3Untangling the Devil's Corkscrew29 Jan 2018
- 4The Great Snake Debate5 Feb 2018
- 5The Whole Saga of the Supercontinents12 Feb 2018
- 6From the Cambrian Explosion to the Great Dying20 Feb 2018
- 7How Sex Became a Thing26 Feb 2018
- 8The Other Explosion You Should Know About5 Mar 2018
- 9How the Turtle Got Its Shell12 Mar 2018
- 10What a Dinosaur Looks Like Under a Microscope19 Mar 2018
- 11The Most Useful Fossils in the World26 Mar 2018
- 12Inside the Dinosaur Library2 Apr 2018
- 13What Was the Ancestor of Everything?11 Apr 2018
- 14How the Squid Lost Its Shell17 Apr 2018
- 15How the Chalicothere Split In Two24 Apr 2018
- 16The Age of Reptiles in Three Acts2 May 2018
- 17The Weird, Watery Tale of Spinosaurus8 May 2018
- 18From the Fall of Dinos to the Rise of Humans16 May 2018
- 19That Time It Rained for Two Million Years22 May 2018
- 20Why Triassic Animals Were Just the Weirdest5 Jun 2018
- 21Where Did Viruses Come From?12 Jun 2018
- 22When Fish First Breathed Air19 Jun 2018
- 23How the T-Rex Lost Its Arms26 Jun 2018
- 24FAQs From Our First Year3 Jul 2018
- 25When Insects First Flew10 Jul 2018
- 26The Mystery of the Eocene's Lethal Lake17 Jul 2018
- 27When Fish Wore Armor24 Jul 2018
- 28When Birds Had Teeth7 Aug 2018
- 29How Horses Took Over North America (Twice)14 Aug 2018
- 30How a Supervolcano Made the Cenozoic's Coolest Fossils22 Aug 2018
- 31The Rise and Fall of the Bone-Crushing Dogs28 Aug 2018
- 32Life, Sex & Death Among the Dire Wolves6 Sep 2018
- 33When We First Walked11 Sep 2018
- 34Did Raptorex Really Exist?18 Sep 2018
- 35Can We Get DNA From Fossils?2 Oct 2018
- 36When Giant Amphibians Reigned9 Oct 2018
- 37Your Place in the Primate Family Tree16 Oct 2018
- 38The Two People We're All Related To23 Oct 2018
- 39When Rodents Rafted Across the Ocean6 Nov 2018
- 40When Birds Stopped Flying14 Nov 2018
- 41When Camels Roamed North America20 Nov 2018
- 42How Sloths Went From the Seas to the Trees28 Nov 2018
- 43When Sharks Swam the Great Plains4 Dec 2018
- 44When Apes Conquered Europe11 Dec 2018
- 45Why Megalodon (Definitely) Went Extinct19 Dec 2018
Season 2019
- 1When Humans Were Prey8 Jan 2019
- 2How Blood Evolved (Many Times)15 Jan 2019
- 3The Humans That Lived Before Us29 Jan 2019
- 4The Island of Shrinking Mammoths5 Feb 2019
- 5The Evolution of the Heart (A Love Story)13 Feb 2019
- 6How 7,000 Years of Epic Floods Changed the World27 Feb 2019
- 7The Island of Huge Hamsters and Giant Owls5 Mar 2019
- 8The Giant Bird That Got Lost in Time12 Mar 2019
- 9When We First Made Tools26 Mar 2019
- 10When Giant Scorpions Swarmed the Seas2 Apr 2019
- 11When We Tamed Fire9 Apr 2019
- 12The Mystery Behind the Biggest Bears of All Time23 Apr 2019
- 13The Croc That Ran on Hooves1 May 2019
- 14When We Took Over the World7 May 2019
- 15The Ghostly Origins of the Big Cats16 May 2019
- 16The History of Climate Cycles (and the Woolly Rhino) Explained30 May 2019
- 17The Hellacious Lives of the "Hell Pigs"5 Jun 2019
- 18How Evolution Works (And How We Figured It Out)11 Jun 2019
- 19When the Synapsids Struck Back19 Jun 2019
- 20When Ichthyosaurs Led a Revolution in the Seas25 Jun 2019
- 21When We Met Other Human Species9 Jul 2019
- 22How Volcanoes Froze the Earth (Twice)17 Jul 2019
- 23How Earth's First, Unkillable Animals Saved the World30 Jul 2019
- 24When Giant Deer Roamed Eurasia7 Aug 2019
- 25Was This Dinosaur a Cannibal?14 Aug 2019
- 26The Missing Link That Wasn't21 Aug 2019
- 27The Raptor That Made Us Rethink Dinosaurs28 Aug 2019
- 28When Bats Took Flight11 Sep 2019
- 29How Pterosaurs Got Their Wings18 Sep 2019
- 30When Giant Lemurs Ruled Madagascar25 Sep 2019
- 31When Antarctica Was Green3 Oct 2019
- 32The (Ovi)Raptor That Paleontologists Got Wrong16 Oct 2019
- 33When Hobbits Were Real22 Oct 2019
- 34Were These Monsters Inspired by Fossils?29 Oct 2019
- 35How We Domesticated Cats (Twice)6 Nov 2019
- 36When Giant Hypercarnivores Prowled Africa19 Nov 2019
- 37Why Male Mammoths Lost the Game26 Nov 2019
- 38The Forgotten Story of the Beardogs12 Dec 2019
- 39The Fuzzy Origins of the Giant Panda17 Dec 2019
Season 2020
- 1That Time the Mediterranean Sea Disappeared9 Jan 2020
- 2The Neanderthals That Taught Us About Humanity16 Jan 2020
- 3The Giant Dinosaur That Was Missing a Body28 Jan 2020
- 4How South America Made the Marsupials4 Feb 2020
- 5A Short Tale About Diplodocus' Long Neck11 Feb 2020
- 6When the Rainforests Collapsed19 Feb 2020
- 7How a Hot Planet Created the World's Biggest Snake27 Feb 2020
- 8When the Sahara Was Green10 Mar 2020
- 9When Penguins Went From The Sky To The Sea18 Mar 2020
- 10How the Egg Came First25 Mar 2020
- 11How Dogs (Eventually) Became Our Best Friends31 Mar 2020
- 12When a Billion Years Disappeared15 Apr 2020
- 13The Risky Paleo Diets of Our Ancestors22 Apr 2020
- 14How the Andes Mountains Might Have Killed a Bunch of Whales29 Apr 2020
- 15How Plants Caused the First Mass Extinction12 May 2020
- 16The Two Viruses That We've Had For Millions of Years20 May 2020
- 17How We Identified One of Earth's Earliest Animals28 May 2020
- 18When Dinosaur Look-Alikes Ruled the Earth9 Jun 2020
- 19The World Before Plate Tectonics16 Jun 2020
- 20When Dinosaurs Chilled in the Arctic24 Jun 2020
- 21How the Walrus Got Its Tusks7 Jul 2020
- 22The Story of the Dino Stampede16 Jul 2020
- 23The Biggest Frog that Ever Lived23 Jul 2020
- 24The Dinosaur Who Was Buried at Sea5 Aug 2020
- 25How We Figured Out Fermentation13 Aug 2020
- 26The Oddest Couple in the Fossil Record20 Aug 2020
- 27How Ancient Art Captured Australian Megafauna2 Sep 2020
- 28The Sea Monster from the Andes10 Sep 2020
- 29When Rodents Had Horns15 Sep 2020
- 30The First and Last North American Primates30 Sep 2020
- 31How Plants Became Carnivores7 Oct 2020
- 32How Ankylosaurs Got Their Clubs13 Oct 2020
- 33Why Do Things Keep Evolving Into Crabs?28 Oct 2020
- 34How Plankton Created A Bizarre Giant of the Seas10 Nov 2020
- 35The Rise and Fall of the Tallest Mammal to Walk the Earth19 Nov 2020
- 36How Humans Lost Their Fur2 Dec 2020
- 37When Lizards Took Over the World9 Dec 2020
- 38When the Earth Suddenly Stopped Warming17 Dec 2020
- 39The Triassic Reptile With "Two Faces"22 Dec 2020
Season 2021
- 1What Happened to the World's Biggest Beaver?13 Jan 2021
- 2The Reign of the Hell Ants21 Jan 2021
- 3The Pandemic That Lasted 15 Million Years28 Jan 2021
- 4When We First Talked11 Feb 2021
- 5The Return of Giant Skin-Shell Sea Turtles17 Feb 2021
- 6The Genes We Lost Along the Way24 Feb 2021
- 7Our Bizarre, Possibly Venomous, Relative10 Mar 2021
- 8How Worm Holes Ended Wormworld18 Mar 2021
- 9How Humans Became (Mostly) Right-Handed24 Mar 2021
- 10How Chilis Got Spicy (and Why We Love the Burn)7 Apr 2021
- 11How To Survive the Little Ice Age20 Apr 2021
- 12When Crocs Thrived in the Seas29 Apr 2021
- 13When Trees Took Over the World12 May 2021
- 14How Weasels Got Skinny20 May 2021
- 15Where Are All The Squid Fossils?3 Jun 2021
- 16Did These Giant Sloths Poop Themselves to Death?14 Jul 2021
- 17The Traits That Spawned the Age of Mammals21 Jul 2021
- 18The Island of the Last Surviving Mammoths29 Jul 2021
- 19Where Are All the Medium-Sized Dinosaurs?12 Aug 2021
- 20How the Starfish Got Its Arms24 Aug 2021
- 21The Creature That Stumped Darwin1 Sep 2021
- 22How Pollination Got Going Twice16 Sep 2021
- 23How a Supervolcano Ignited an Evolutionary Debate23 Sep 2021
- 24How a Mass Extinction Event Created the Amazon29 Sep 2021
- 25When Mammals Only Went Out At Night7 Oct 2021
- 26How Ancient Whales May Have Changed the Deep Ocean21 Oct 2021
- 27How Dinosaurs Coupled Up28 Oct 2021
- 28When It Was Too Hot for Leaves17 Nov 2021
- 29Why The Paleo Diet Couldn't Save The Neanderthals2 Dec 2021
- 30The Fossil Record In Your Mouth9 Dec 2021
- 31When Pterosaurs Walked16 Dec 2021
Season 2022
- 1How Our Deadliest Parasite Turned to the Dark Side11 Jan 2022
- 2Primates vs Snakes (An Evolutionary Arms Race)19 Jan 2022
- 3How the Rise of Social Insects Shrunk These Dinosaurs27 Jan 2022
- 4How Vertebrates Got Teeth... And Lost Them Again8 Feb 2022
- 5How Horses Went From Food To Friends16 Feb 2022
- 6Why We Only Have Ten Toes (It's a Long Story)23 Feb 2022
- 7When a Giant Pterosaur Ruled the European Islands15 Mar 2022
- 8The Sudden Rise of the First Colossal Animal22 Mar 2022
- 9The Extreme Hyenas That Didn't Last29 Mar 2022
- 10How the Smallest Animal Got So Simple13 Apr 2022
- 11Why Sour May Be The Oldest Taste20 Apr 2022
- 12The Ancient Human Species With A Missing Body27 Apr 2022
- 13When Ants Domesticated Fungi10 May 2022
- 14The Curious Case of the Cave Lion17 May 2022
- 15Is This The Oldest Dad In The Fossil Record?26 May 2022
- 16How To Build A Woolly Mammoth (But Should We?)8 Jun 2022
- 17Something Has Been Making This Mark For 500 Million Years15 Jun 2022
- 18Giant Viruses Blur The Line Between Alive and Not29 Jun 2022
- 19When Giant Millipedes Reigned13 Jul 2022
- 20How Plate Tectonics Transformed Los Angeles21 Jul 2022
- 21Why Does Caffeine Exist?28 Jul 2022
- 22Did An Ancient Pathogen Reshape Our Cells?11 Aug 2022
- 23How Whale Evolution Kind Of Sucked18 Aug 2022
- 24The Fungi That Turned Ants Into Zombies23 Aug 2022
- 25Where Did Water Come From?27 Sep 2022
- 26Our Ancient Relative That Said 'No Thanks' To Life On Land4 Oct 2022
- 27Darwin Missed An Example of Evolution Right Under His Nose18 Oct 2022
- 28Are We All Actually Archaea?25 Oct 2022
- 29How Plate Tectonics Gave Us Seahorses8 Nov 2022
- 30We Met Neandertals Way Earlier Than We Thought16 Nov 2022
- 31Thylacoleo Is The Missing Australian Apex Predator6 Dec 2022
- 32How Did Lucy Live and Die?14 Dec 2022
Season 2023
- 1These Creatures Were Darwin's Greatest Enemy10 Jan 2023
- 2When Ancient People Changed Their Own DNA19 Jan 2023
- 3The Neandertal Burial That Taught Us About Humanity31 Jan 2023
- 4These Fossils Were Supposed To Be Impossible7 Feb 2023
- 5The Mystery Of The Mashed-Up Dinosaurs14 Feb 2023
- 6How a Mass Extinction Changed Our Brains1 Mar 2023
- 7That Time the American West Blew Up7 Mar 2023
- 8Does Our "Junk" DNA Make Us Human?16 Mar 2023
- 9Nautiloids Thrived For 500 Million Years Until These Guys Appeared28 Mar 2023
- 10The Real Story Of The Dodo Bird's (Current) Extinction4 Apr 2023
- 11How (Some) Plants Survived The K-Pg Extinction13 Apr 2023
- 12It's Becoming Very Clear That Birds Are Not Normal25 Apr 2023
- 13The Invisible Barrier Keeping Two Worlds Apart2 May 2023
- 14A Natural History of Mars9 May 2023
- 15We've Had The Giraffe's Neck All Wrong1 Aug 2023
- 16We Helped Make Mosquitoes A Problem15 Aug 2023
- 17Did a Tsunami Swallow Part of Europe?29 Aug 2023
- 18That Time The Ocean Lost (Almost) All Its Oxygen12 Sep 2023
- 19This Is An Ant World, We're Just Living In It26 Sep 2023
- 20Are Giant Animals Inevitable?24 Oct 2023
- 21When Did We Stop Being Naked?9 Nov 2023
- 22The Secret Extinctions Of The Silurian Period21 Nov 2023
- 23Beans & Bees (Not Bats) Gave Us Butterflies5 Dec 2023
- 24Why Only Earth Has Fire19 Dec 2023
Season 2024
- 1How Ancient Microbes Rode Bug Bits Out to Sea9 Jan 2024
- 2Our Most Mysterious Extinct Cousins23 Jan 2024
- 3Animals Might Be Much Older Than We Thought6 Feb 2024
- 4Why Is It So Hard to Tell the Sex of a Dinosaur?20 Feb 2024
- 5How Snake Venom Sparked An Evolutionary Arms Race5 Mar 2024
- 6When Did We Start Practicing Medicine?19 Mar 2024
- 7What Will Earth Be Like 300 Million Years From Now?2 Apr 2024
- 8The Hazy Evolution of Cannabis16 Apr 2024
- 9There's No Single Cradle of Humankind30 Apr 2024
- 10How Sponges Beat The First Mass Extinction14 May 2024
- 11When The Atlantic Ripped Open A Supercontinent28 May 2024
- 12When India Was An Island6 Aug 2024
- 13The Mystery of South America's False Horses20 Aug 2024
- 14What Was The First Beverage?3 Sep 2024
- 15How The Elephant Got Its Trunk10 Sep 2024
- 16When Earth "Ate" A Planet25 Sep 2024
- 17How the Himalayas Changed the World8 Oct 2024
- 18The Dinosaurs That Evolution Forgot22 Oct 2024
- 19What Happened To The Other Mesozoic Mammals?5 Nov 2024
- 20How Animals Got Butts19 Nov 2024
- 21When the Amazon Flowed Backwards3 Dec 2024
- 22When Neandertals Became Apex Predators17 Dec 2024
Season 2025
- 1Did Asteroids Spark Life?14 Jan 2025
- 2The Mystery of the Cretaceous Pompeii28 Jan 2025
- 3The Strange Primates That Thrived In The Mountains11 Feb 2025
- 4Why Wasn't There A Second Age of Reptiles?25 Feb 2025
- 5The Graveyard at the Center of the Earth11 Mar 2025
- 6The Arms Race That Made Insects Take Flight25 Mar 2025
- 7When Red Pandas Roamed North America8 Apr 2025
- 8The Rise and Fall of a Whale-Eating Sea Monster22 Apr 2025
- 9There's An Invisible Ocean Between These Fossils6 May 2025
- 10Darwin's Final Obsession20 May 2025
- 11The Dinosaurs Too Big To Be Dinosaurs17 Jun 2025
- 12Why Paleontologists Can't Stop Fighting About Spinosaurus1 Jul 2025
- 13How Dinosaur Extinction Gave Us Fruit15 Jul 2025
- 14When Dinosaurs Threw Up A Mystery22 Jul 2025
- 15That Time the Earth Was Sticky9 Sep 2025
- 16That Time Sharks Got Weird23 Sep 2025
- 17We're The Only Ones With Chins - And We Don't Know Why7 Oct 2025
- 18Crawling Out Of The Water Was An Evolutionary Accident21 Oct 2025
- 19How We Figured Out an Asteroid Killed the Dinosaurs4 Nov 2025
- 20How Chewing May Have Beat Extinction18 Nov 2025
- 21What Was Greenland Like When it Was Green2 Dec 2025
- 22When a Tiny Land Bridge Triggered an Ice Age16 Dec 2025
Season 2026
- 1Why Did We Evolve Brains?13 Jan 2026
- 2When Ancient Weeds Fooled Us27 Jan 2026
- 3How Flowers Burned the World10 Feb 2026
- 4Why Evolution Made Your Teeth Hurt3 Mar 2026
- 5The Mystery of This Deadly Lagoon17 Mar 2026
- 6Does The World's Most Famous Dinosaur Have The Wrong Name?31 Mar 2026
- 7When the Earth Had Supermountains14 Apr 2026
- 8How Dinosaurs May Have Cursed Us With Aging28 Apr 2026
- 9The Mystery of the Missing Deep-Sea Fish12 May 2026
- 10The Second-to-Last Mammoths Ever26 May 2026
- 11When We Lived Alongside Giant Sloths9 Jun 2026
- 12The Terrifying Reason Flightless Dinosaurs Grew Feathers23 Jun 2026
- 13How A Geological Event Created The Ultimate Cat7 Jul 2026
- 14How The Formation of Pangea Changed The World | Life and Death on Pangea29 Jul 2026
- 15When Microbes Ruled the Earth11 Aug 2026
- 16What Drove Life Into The Trees?18 Aug 2026
- 17Why Were Sails So Popular 300 Million Years Ago1 Sep 2026