Free Science & Tech Documentaries — Page 2

Physics, chemistry, evolution and the frontiers of human knowledge. 893 free science documentaries.

Could the Earth Survive a 100 Million Megaton Impact?2025•48m•HD•★8.0Cataclysm: Is Earth Due Its Most Devastating Earthquake Yet?2019•50m•HD•★8.0Unbelievable Human Abilities That Defy Science2025•2h 21m•HD•★8.0The Strange Phenomena of Solar Superstorms2025•49m•HD•★8.0Can Water Really Carve a Canyon? The Science Behind the Grand Canyon2025•45m•HD•★8.0The Invisible Threat of Biological Warfare and Other Science Mysteries2025•3h 7m•HD•★8.0The Insane Physics Behind the World's Fastest Aircraft2025•50m•HD•★8.0Is Earth Overdue Its Most Devastating Earthquake Yet?2025•58m•HD•★8.0The Science Behind the Sun's Violent Storms2025•52m•HD•★8.0The Evolution of Speed & Power in Motorcars2025•50m•HD•★8.0Richard Hammond Creates a Mega Fire Tornado2025•57m•HD•★8.0The Volcanic Hotspots That Wiped out the Dinosaurs and Create New Continents2025•53m•HD•★8.0What Is the Best Form of Self Defence According to Science?2025•52m•HD•★8.0What Would Happen If Earth Was Hit by Another Ice Age?2025•50m•HD•★8.0Is It Scientifically Possible for the Loch Ness Monster to Exist?2025•50m•HD•★8.0Will We Ever Be Able to Predict Volcano Eruptions?2025•50m•HD•★8.0When the Earth Fights Back: The Destructive Power of Plate Tectonics2025•51m•HD•★8.0The Incredible Science Behind Lightning Bolts2025•50m•HD•★8.0How Asia Was Formed by Continents Colliding2025•50m•HD•★8.0A Land of Fire and Ice: The Volcanoes and Glaciers of the Eurasian Plate2025•50m•HD•★8.0Mankind's 4-Million Year Journey Through Evolution2026•50m•HD•★8.0Inside the Experiments Trying to Prove the Existence of Telepathy2026•50m•HD•★8.0Was Charles Darwin Right or Wrong?2026•45m•HD•★8.0Pacific Ring of Fire: The Science Behind the World's Most Catastrophic Earthquakes2026•50m•HD•★8.0I Tested Human Limits Against Lightning, Heat, and Freezing Cold2026•50m•HD•★8.0What Would Happen If Earth's Core Died?2026•50m•HD•★8.0Horrific Human Experiments of the Holocaust2026•50m•HD•★8.0Raw and Uncensored Holocaust Survivors Recount Horrific Nazi Experiments2026•50m•HD•★8.0The Science of Everything and Nothing2026•1h 58m•HD•★8.03,500-Year-Old Discovery Reveals Brutal Pharoah's Death2026•45m•HD•★8.0The Betty Hill Abduction Case: Scientists Examine Her Dress for Alien DNA2026•47m•HD•★8.0The 2,000-Year-Old Discovery That Rewrote the Pompeii Story2026•45m•HD•★8.0Great Mammoth Mystery2022•54m•HD•★8.0Hunt for the Oldest DNA2023•53m•HD•★8.0Prehistoric Life: The Age of Dinosaurs and Early Humans2025•1h 20m•4K•★8Discovering Dinosaurs in Frozen Antarctica2024•50m•4K•★8Animals of the Ice Age: A Prehistoric Kingdom2024•11m•4K•★8The Power of Volcanoes and Ice: Forces of Nature2024•50m•4K•★8Dinosaurs and Meteorites: Unveiling Prehistoric Secrets2023•40m•4K•★8X-Ray Earth: The Pacific Northwest Megaquake2024•44m•4K•★8Einstein Universe: General Relativity1979•1h 57m•HD•★8Great Moments in Evolution2025•52m•HD•★8Chemistry: A Volatile History2010•4m•HD•★8How Germany's Elite Research Institution Fails Young Scientists2025•21m•4K•★7.9Fast, Cheap and Out of Control1997•1h 23m•HD•★7.9Quantum Physics: The Laws That Govern Our Universe [4K] | The Secrets of Quantum Physics | Spark2022•1h 58m•4K•★7.9The Entire History of Humanity2025•2h 6m•HD•★7.9DNA Reveals What Happened to Her Father After the War | DNA Family Secrets2026•58m•HD•★7.9The Ethical Dilemma Of Genome Editing | The CRISPR Revolution2024•52m•HD•★7.9The CRISPR Revolution: Hacking the Genetic Code2024•52m•HD•★7.9The Whole History of the Earth and Life 【Finished Edition】2019•1h 6m•HD•★7.9Arctic Sinkholes I Full Documentary I NOVA I PBS2022•53m•HD•★7.9The Forever Chemical Scandal | Bloomberg Investigates2023•48m•HD•★7.9Climate Extremes2024•52m•HD•★7.9The Entire History of Earth2025•2h 47m•HD•★7.9Tornado Chasers, S2 Episode 10: "Overtaken" 4K2019•27m•4K•★7.9Tornado Chasers, S2 Episode 8: "Home, Part 2" 4K2019•23m•4K•★7.9Surviving Largest Tornado Outbreak Ever Recorded (Full Episode) | Witness to Disaster | Nat Geo2025•44m•4K•★7.9The Earth: 4K Extended Edition2017•1h 0m•4K•★7.9Tornado Chasers S2 "Tornadoes of 2013: Raw and Uncut" 4K2019•1h 27m•4K•★7.9Impossible Places | The Strangest Rock Formations on Earth | 4K Travel Documentary2026•1h 2m•4K•★7.9The Most Devastating Tornado I Have Ever Chased - Rolling Fork, Mississippi - A Documentary [4K]2023•1h 18m•4K•★7.9The Complete ELLORA CAVES [4K]: World's greatest rock-cut Temples | Wonders of Ancient India, Ep. 42024•1h 9m•4K•★7.9Intense and Extreme - Full Chase of Massive Tornado Outbreak Across Nebraska - A Documentary [4K]2024•1h 37m•4K•★7.9Tiny Titans: Exploring the Microscopic World And The Hidden Details of Nature2024•47m•4K•★7.9Journey to the Center of the Earth (It Took 8 Days, I Lost 10kg)2024•36m•HD•★7.9Cat Tales | Full Documentary | NOVA | PBS2022•54m•HD•★7.9Ancient Earth: The Dawn of Mammals2025•53m•HD•★7.9Ellora Caves Documentary 2019 The Mind-Boggling Rock Cut Temples of India2019•36m•HD•★7.9Polar Extremes: Ice Worlds | Full Documentary | NOVA | PBS2023•1h 53m•HD•★7.9Hidden Volcano Abyss: Behind Tonga's Massive Eruption | Full Documentary | NOVA | PBS2023•54m•HD•★7.9Earth From Space Full HD Nova2014•1h 54m•HD•★7.9The Discovery Of The World's Biggest Cave | Our World2010•50m•HD•★7.9Tornado Alley: The Storm That Defied the Odds | Mega Disaster | Episode 3 | Documentary Central2023•51m•HD•★7.9Tornadoes That Shook The US2025•2h 22m•HD•★7.9Deadly Disasters: Tornadoes | World's Most Dangerous Natural Disasters | Free Documentary2023•50m•HD•★7.9Ultimate Mars Challenge (2012) | Full Documentary | NOVA2012•53m•HD•★7.9Discovery Channel: Earth from space HD2014•1h 32m•HD•★7.9The Secret World of Insects | Little Matters: Insects2025•49m•HD•★7.9Inside Hidden Caves: Canada's Underground World | Full Documentary | TRACKS2022•51m•HD•★7.9The Entire Process of Human Evolution Explained in JUST 1 Hour2026•1h 10m•HD•★7.9An Exclusive Look Inside The Vaults Of The Smithsonian Museum2026•43m•HD•★7.9Tornado Chasing Documentary - Storm of Passion2025•58m•HD•★7.9Tornadoes Unleashed: Inside Nature’s Most Violent Storms | Fatal Forecast 101+1022026•1h 44m•HD•★7.9Invisible Worlds: The Secret Life of Microbes | How Cells Learned to Cooperate2025•43m•HD•★7.9World's Greatest Natural Icons - Ice (2021)2021•52m•HD•★7.9The Worst Night Tornado Of All Time | Greensburg EF5 Tornado Documentary2026•53m•HD•★7.910 Stunning U.S. Destinations For Your Bucket List Aerial America | Smithsonian Channel2022•25m•HD•★7.9The Man Who Accidentally Killed The Most People In History2022•25m•4K•★7.9The Most Misunderstood Concept in Physics2023•27m•4K•★7.9Why Parallel Universes Are Probably Real2020•20m•4K•★7.9The Man Who Gave us the Power To Destroy Ourselves (Oppenheimer)2023•33m•4K•★7.9The Equation That Beat Wall Street2024•30m•4K•★7.9The Ridiculous Engineering of Jet Engines2025•40m•4K•★7.9Oceans (Full Episode) | Hostile Planet2022•47m•4K•★7.9The Man Who Killed Millions and Saved Billions (Clean Version)2023•21m•4K•★7.9The Explosive Element That Changed The World2021•19m•4K•★7.9The Man Who Took LSD and Changed The World2024•34m•4K•★7.9Secret Lives Of Animals Around the Globe | MEGA Episode Special | National Geographic2026•2h 8m•4K•★7.9The Strange and Secret World of Dinosaurs | BBC Earth Kids2025•38m•4K•★7.9The Greatest Archaeological Finds in Recent Years | Full History Hit Series2023•1h 33m•HD•★7.9Floods, drought and the consequences of extreme weather | DW Documentary2022•42m•HD•★7.9The Greatest Archaeological Discoveries and Artefacts of Recent Years | Full Series2025•2h 47m•HD•★7.9Weather`s Devastating Forces[Nature Documentary]HD2015•57m•HD•★7.9The Ancient City of Uruk // Mesopotamian Documentary2025•57m•HD•★7.9Physicist Brian Cox explains quantum physics in 22 minutes2025•22m•HD•★7.9How Planet Earth Works2025•50m•HD•★7.9Making Stuff - Stronger (2011)2011•53m•HD•★7.9The Deadliest Infectious Disease of All Time | Crash Course Lecture2024•50m•HD•★7.9Fungi’s Resilience and Intelligence2024•52m•HD•★7.9DANGER & AWE IN YOSEMITE VALLEY | How The Earth Was Made (S2, E5) | Full Episode | History2024•45m•HD•★7.9What Did Humans Evolve From?2025•2h 30m•HD•★7.9Two Arab Scientists Seeking Solutions to Global Problems2022•43m•HD•★7.8Quantum Physics: The Nature of Reality2014•53m•HD•★7.8Human X: The Discovery That Could Rewrite Our Story2026•2h 6m•HD•★7.8Uncover the Secrets of Our Cells2025•26m•HD•★7.8The Mystery of Matter: Unruly Elements2015•57m•HD•★7.8The History of Earth: How Our Planet Formed2017•1h 32m•HD•★7.8Investigating the World's Elements | BBC Earth Science2024•50m•4K•★7.8The Strangest Creatures of the Ocean | BBC Earth2025•19m•4K•★7.8The Complete History of the Earth: A MAGNIFICENT Journey into PREHISTORY | DOCUMENTARY2024•2h 29m•HD•★7.8Cosmic Explosions | How the Universe Works | Science Channel2025•1h 1m•HD•★7.8DESTRUCTION From the Cosmos! | How the Universe Works | Science Channel2026•59m•HD•★7.8Destination Moon - Christmas Lectures 2025 with Maggie Aderin-Pocock 1/32025•59m•HD•★7.8A is for atoms - Frank Close 1993 Christmas Lectures 1/52025•58m•HD•★7.8Quantum Paradoxes: 5 Ways to Test the Multiverse | Maria Violaris2026•57m•HD•★7.8Beyond The Elements - Indestructible (2021) | Full Documentary | NOVA2021•53m•HD•★7.8How benzene changed chemistry forever - with Judy Wu2025•51m•HD•★7.8She tested 210 smart devices. Here's what they're hiding | IoT with Anna Maria Mandalari2026•48m•HD•★7.8The quest for dark matter with Matt Bothwell2025•45m•HD•★7.8There are 22 theories of consciousness: Michael Pollan explains why none of them work2026•22m•HD•★7.8All Your Big Space Questions Answered | BBC Earth Science2025•2h 14m•4K•★7.8Underwater Killers (Full Episode) | World's Deadliest2022•45m•4K•★7.8Witness the Volcanoes of Hawai'i (Full Episode) | America's National Parks2023•44m•4K•★7.840 Minutes Of Weird Science Theories | Full Series | BBC Earth Science2023•44m•4K•★7.8Mars: Life on the Red Planet | BBC Earth Science2024•37m•4K•★7.8The Indian Genius Nobody Understands2025•33m•4K•★7.8Genetic Engineering Will Change Everything Forever – CRISPR2016•16m•4K•★7.8Is Gravity the Hidden Key to Quantum Physics? | World Science Festival2025•1h 54m•HD•★7.8Deadly Volcanoes: Infamous Eruptions Around the World | Full Special | History2024•1h 31m•HD•★7.8How does materials science affect our lives? – with Anna Ploszajski2023•1h 29m•HD•★7.8The Craving Brain: Neuroscience of Uncontrollable Urges | World Science Festival2014•1h 27m•HD•★7.8Earth's Deadliest Volcanoes | Spain: La Palma | Free Documentary2024•1h 23m•HD•★7.8The Nuts and Bolts of Better Brains: Harnessing the Power of Neuroplasticity2019•1h 1m•HD•★7.8Woman Finds Birth Mom & Siblings Still Alive | DNA Family Secrets2025•58m•HD•★7.8Particles Unknown (2021) | Full Documentary | NOVA2021•53m•HD•★7.8The Great Math Mystery (2015) | Full Documentary | NOVA2015•53m•HD•★7.8Zero to Infinity | Full Documentary | NOVA | PBS2022•54m•HD•★7.8The Universe's Great IMPOSSIBILITIES! | How the Universe Works | Science Channel2026•53m•HD•★7.8Kīlauea: Hawaiʻi on Fire (2019) | Full Documentary | NOVA2019•53m•HD•★7.8How materials science could revolutionise technology - with Jess Wade2025•50m•HD•★7.8Biggest Volcanic Eruptions | Mega Disasters | Free Documentary2021•51m•HD•★7.8The Ambitious Mission Of Cracking The Human Genome2026•50m•HD•★7.8The Endless Mysteries of the Universe! | How the Universe Works | Science Channel2026•51m•HD•★7.8What Happens If the Poles Disappear?2025•48m•HD•★7.8Mississippi's Hidden Hazard! - Massive Engineering Mistakes - Engineering Documentary2024•45m•HD•★7.8Dinosaurs. From the First to the Last Day Of Life 4K - ReYOUniverse2022•3h 5m•4K•★7.8The Strange and Secret World of Dinosaurs | BBC Earth2025•38m•4K•★7.8