Free movies
Space TimeSpace Time explores the outer reaches of space, the craziness of astrophysics, the possibilities of sci-fi, and anything else you can think of beyond Planet Earth.
On now
Up next
Latest
- Now Playing14minWhy This Mexican Genre Is Growing As Fast As K-Pop
- Now Playing14minOur Understanding of Floods is ALL Wrong
- Now Playing22minCan AI Help Us Talk to Whales?
- Now Playing16minWhy Is The World Rushing Back To The Moon?
- Now Playing11minThe Hazy Evolution of Cannabis
- Now Playing11minMeasuring the Universe With a 14-Billion Light-Year Ruler
- Now Playing16minHow Eclipses Revealed Our Solar System
- Now Playing10minA Giant Monster With a Giant Problem
- Now Playing10minWhat Will Earth Be Like 300 Million Years From Now?
- Now Playing16minWhat If Gravity is Not A Fundamental Force?
It's Okay to Be Smart
- Now Playing13minWhere Did Life Come From? (feat. PBS Space Time and Eons!)
- Now Playing6minInside an ICE CAVE! - Nature's Most Beautiful Blue
- Now Playing4minThe Romantic Lure of Moonlight
- Now Playing12minWhat's In a 20,000 Year-Old Cube of Ice?
- Now Playing6minThe Surprising Origin of Thanksgiving Foods
- Now Playing5minDo You Really Have Two Brains?
- Now Playing6minIs Sugar A Drug?
- Now Playing5minCould Planet Minecraft Actually Exist?
- Now Playing9minIs This A NEW SPECIES?!
- Now Playing6minThe Cheerios Effect
- Now Playing4minWhy Seasons Make No Sense
- Now Playing5minSunburn, Sweat and the Science of Summer!
- Now Playing5minThe Superb Owl!
- Now Playing7minIncredible Tails Of Amazing Whales!
- Now Playing5minSpit: Everything You Never Wanted To Know
- Now Playing5minThe Only Animal That Weeps
- Now Playing4minWe're Mainly Microbe: Meet Your Microbiome
- Now Playing7minWhy Don't Ants Get Stuck in Traffic
- Now Playing6minWhy Do Things Sound Scary?
- Now Playing5minThe Odds of Finding Life and Love
Origin of Everything
- Now Playing10minHow Did Makeup Ads Go From Style to Science?
- Now Playing9minWhy Do We Drink Milk in School?
- Now Playing11minWhat is Racial Passing?
- Now Playing10minWhy Is There a Minimum Wage?
- Now Playing9minWhat If Islam Conquered Europe?
- Now Playing7minIs Poisoned Halloween Candy a Myth?
- Now Playing5minWhat Was Jesus' Real Name?
- Now Playing7minHow Your Rubber Ducky Explains Colonialism
- Now Playing9minIs the Rosa Parks Story True?
- Now Playing12minWhy Do Schools Teach Sex Education?
- Now Playing7minThe True Origin of Killer Clowns
- Now Playing8minWhy Do Kids Have Their Own Bedrooms?
- Now Playing8minWhy Do Women Shave Their Legs?
- Now Playing7minIs Poisoned Halloween Candy a Myth?
- Now Playing10minHow WWII Created Godzilla & Mecha Robots
- Now Playing11minWhy Do So Many Religions Have Headwear?
- Now Playing7minWhy Do We Say "Asian American" Not "Oriental"?
- Now Playing8minWhen DId Marriage Become about Love?
- Now Playing8minWhy Was Crossdressing Illegal?
- Now Playing8minWhy Do Women Give Birth Lying Down?
Two Cents
- Now Playing6minI'm Young & Healthy, Can I Skip Health Insurance?
- Now Playing9minHow Smart Entrepreneurs Think About PRICES!
- Now Playing7minWhich College Majors Give the Most Bang for Your Buck?
- Now Playing6minIs My Identity Safe From Hackers?
- Now Playing6minFighting the Wedding Industrial Complex
- Now Playing7minMoney, A Global Game of Trust
- Now Playing7minFighting the Financial Pitfalls of the Supermarket
- Now Playing7minHow Retailers Stalk You Online
- Now Playing5minInsta-Everything
- Now Playing5minDo Kids Need to Learn About Money?
- Now Playing7minIs Your Side Hustle Hustling You?
- Now Playing7minShould I Invest In Cannabis Stocks?
- Now Playing6minHow to Ask for a Raise
- Now Playing7minWhat's The Real Cost of Dying?
- Now Playing6minTop 5 Biggest Financial Scams
- Now Playing7minWhy It's More Expensive To Be Poor
- Now Playing5minBudgeting Basics
- Now Playing7minIs the Stock Market Just a Big Casino?
- Now Playing4minWhat is the DOW?
- Now Playing6minShould You Break Up With Your Big Bank?
Monstrum
- Now Playing18minUnlocking the Mystery of Loch Ness
- Now Playing9minThe Hidden Origins of Nixie, the Scariest Little Mermaid
- Now Playing11minWhy Has the Majestic Griffin Been Forgotten?
- Now Playing11minThe Macabre Origins of the Grim Reaper
- Now Playing12minHow Gargoyles Became Monsters
- Now Playing17minTrolls: Scandinavia's Malevolent, Magical Outcasts
- Now Playing11minIs Siren Head the Ultimate Modern Monster?
- Now Playing6minThe Original Headless Horseman
- Now Playing17minThe Origins of the Zombie, from Haiti to the U.S.
- Now Playing10minSlender Man: How The Internet Created a Monster
- Now Playing10minEl Silbón: The Deadly Whistler of the Grasslands
- Now Playing10minHow a Children's Book Introduced Us To Our Inner Demons
- Now Playing12minWho Is This Japanese Yōkai That Is Obsessed With Your Butt?
- Now Playing13minMonster Plants and the Humans who Invent Them
- Now Playing20minWhy George Romero Changed Zombies Forever
- Now Playing9minKrampus: Origins of the Yuletide Monster
- Now Playing14minHero, Beast, or Both? The Complex Lore of the Centaur
- Now Playing10minA Giant Monster With a Giant Problem
- Now Playing10minWhy the Dragon is Central to Chinese Culture
- Now Playing7minEl Chupacabras, a Modern Mystery
Eons
- Now Playing13minHow Evolution Works (And How We Figured It Out)
- Now Playing9minThe Fungi That Turned Ants Into Zombies
- Now Playing13minAn Illustrated History of Dinosaurs
- Now Playing9minThe Invisible Barrier Keeping Two Worlds Apart
- Now Playing11minHow a Mass Extinction Changed Our Brains
- Now Playing9minWhen Rodents Had Horns
- Now Playing10minThe Facts About Dinosaurs & Feathers
- Now Playing12minCan We Get DNA From Fossils?
- Now Playing10minHow 7,000 Years of Epic Floods Changed the World
- Now Playing8minThe Ghostly Origins of the Big Cats
- Now Playing8minWhat Happened to the World's Greatest Ape?
- Now Playing8minThat Time It Rained for Two Million Years
- Now Playing10minWhen Fish Wore Armor
- Now Playing8minHow Plate Tectonics Gave Us Seahorses
- Now Playing7minWhen Giant Deer Roamed Eurasia
- Now Playing8minWhen Dinosaur Look-Alikes Ruled the Earth
- Now Playing6minThe Time Terror Birds Invaded
- Now Playing11minWhy Megalodon (Definitely) Went Extinct
- Now Playing10minWhen Humans Were Prey
- Now Playing10minLife, Sex & Death Among the Dire Wolves
Hot Mess
- Now Playing7minHow To Make Clothes Less Terrible for the Planet
- Now Playing8minHow One Conservative Texas Town Went 100% Renewable
- Now Playing9minHow to Talk About Climate Change
- Now Playing5minHow A Sticker Kept 3 Billion Tons of CO2 Out of The Air
- Now Playing6minWould Your Neighbors Save You From a Flooding Home?
- Now Playing5minWhy We Confuse Weather and Climate
- Now Playing4minCould Space Mirrors Cool The Globe?
- Now Playing3minCould climate change make you allergic to meat?
- Now Playing4minCould Space Mirrors Cool The Globe?
- Now Playing6minCan We Get Solar Power To Everyone Who Wants It?
- Now Playing10minThe Link Between Extreme Weather and Climate Change
- Now Playing5minCan Farms and Forests Coexist?
- Now Playing5minWhat Can You Actually Do About Climate Change?
- Now Playing5minWhy Don't We Hear About the Ozone Hole Anymore?
- Now Playing5minWhat the Cutest Animal Can Teach Us About Saving Ourselves
- Now Playing5minBeef Is Bad For The Climate. Can We Make It Better?
- Now Playing5minWe've Ignored Climate Change For More Than a Century
- Now Playing5minWe've Ignored Climate Change For More Than a Century
- Now Playing4minWhy Are Hurricanes Getting Stronger?
- Now Playing5minWhat the Cutest Animal Can Teach Us About Saving Ourselves
Space Time
- Now Playing11minWe Are Star Stuff
- Now Playing11minBreaking The Heisenberg Uncertainty Principle
- Now Playing12minQuantum Invariance & The Origin of The Standard Model
- Now Playing13minPilot Wave Theory and Quantum Realism
- Now Playing11minSuperluminal Time Travel + Time Warp Challenge Answer
- Now Playing9minGeneral Relativity & Curved Spacetime Explained!
- Now Playing13minSound Waves from the Beginning of Time
- Now Playing11minStar Clusters: Crash Course Astronomy #35
- Now Playing10minLife on Europa?
- Now Playing9minWill Mars or Venus Kill You First?
- Now Playing18minWhat If Gravity is Not Quantum?
- Now Playing15minHow We Know The Universe is Ancient
- Now Playing6minSuicide Space Robots
- Now Playing6minCould You Fart Your Way to the Moon?
- Now Playing11minThe Physics of Life (ft. It's Okay to be Smart & PBS Eons!)
- Now Playing13minHow To Build The Universe in a Computer
- Now Playing12minSolving the Impossible in Quantum Field Theory
- Now Playing13minDid Dark Energy Just Disappear?
- Now Playing10minNoether's Theorem and The Symmetries of Reality
- Now Playing21minWhat New Science Would We Discover with a Moon Telescope?
Beat Making Lab
- Now Playing2minMashup: National Anthems
- Now Playing10minHeartbeats of Fiji
- Now Playing3minGet Your Drums Right
- Now Playing2minField Trip: Prison Beats
- Now Playing3minPanama: Meet the Kids Behind the Beats
- Now Playing3minBeat Making Challenge #1: Accordion Trap
- Now Playing2minWhat's In the Backpack?
- Now Playing5minBehind the Beat: Portobelo
- Now Playing2minWalshy Fire [of Major Lazer] Wants Your Riddims
- Now Playing4minCho Cho Cho (Music Video) filmed in Goma, Congo
- Now Playing3min#FijiChallenge w/ Walshy Fire of Major Lazer
- Now Playing3minProf. Angel Sound Prison Beats Interview
- Now Playing3minBeat Making Challenge #2: Kora Riddim
- Now Playing3minExclusive Zenga (Music Video) by Flamme Kapaya
- Now Playing3minFemale Hip Hop Crew Makes Beats in Senegal
- Now Playing3minEpisode 1: Goma, Congo
- Now Playing4minDiablos (music video)
- Now Playing4minTrapped In Paradise
- Now Playing2minHealth Worker Beat
- Now Playing3minSampling w/ Flip Flops and Ski Beatz
Infinite Series
- Now Playing11minTopology vs "a" Topology
- Now Playing9minBeyond the Golden Ratio
- Now Playing10minThe Mathematics of Diffie-Hellman Key Exchange
- Now Playing17minHacking at Quantum Speed with Shor's Algorithm
- Now Playing14minBuilding an Infinite Bridge
- Now Playing13minThe Mathematics of Quantum Computers
- Now Playing8minA Breakthrough in Higher Dimensional Spheres
- Now Playing14minSolving the Wolverine Problem with Graph Coloring
- Now Playing14minCan a Chess Piece Explain Markov Chains?
- Now Playing10minWhat Does It Mean to Be a Number? (The Peano Axioms)
- Now Playing15minArrow's Impossibility Theorem
- Now Playing11minThe Geometry of SET
- Now Playing9minThis Video was Not Encrypted with RSA
- Now Playing13minWhat is a Random Walk?
- Now Playing14minHow Big are All Infinities Combined? (Cantor's Paradox)
- Now Playing16minHow to Break Cryptography
- Now Playing17minSplitting Rent with Triangles
- Now Playing14minWhy Computers are Bad at Algebra
- Now Playing11minSingularities Explained
- Now Playing12minThe Honeycombs of 4-Dimensional Bees ft. Joe Hanson
Idea Channel
- Now Playing8minIs a Tagged Instagram More Than Just a Photo?
- Now Playing9minWill Kickstarter Replace Hollywood?
- Now Playing5minNicolas Cage, Taoism, and YOLO
- Now Playing3minIs the Web Browser Replacing the Art Gallery?
- Now Playing4minFrom Sherlock Holmes to 50 Shades of Grey
- Now Playing4minHas the Microsoft Kinect revolutionized art?
- Now Playing4minIs Twitter the Newest Form of Literature?
- Now Playing4minAre Mashups the End of Music Genres?
- Now Playing5minIs William Gibson A Modern Day Oracle?
- Now Playing4minAre LOLCats and Internet Memes Art?
- Now Playing4minRussian Meteorites and Surveillance Culture
- Now Playing7minHow are Justin Bieber, Franz Liszt and Jerusalem Connected?
- Now Playing5minAre Olympic Competitors Geniuses?
- Now Playing5minIs William Gibson A Modern Day Oracle?
- Now Playing6minIs Minecraft the Ultimate Educational Tool?
- Now Playing5minAre Memes and Internet Culture Creating a Singularity?
- Now Playing9minIs a DOS Attack a Weapon?
- Now Playing4minThe Bronies Phenomenon
- Now Playing3minAn Interview with Minecraft EDU Creator Joel Levin
- Now Playing6minThe Retro Awesomeness of Adventure Time