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 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?
- Now Playing15minDoes Space Emerge From A Holographic Boundary?
It's Okay to Be Smart
- Now Playing5minWhy Is The Universe So Empty? (ft. PHD Comics!)
- Now Playing3minWhy Does Time Go Forward?
- Now Playing8minIs Ultron Inevitable?
- Now Playing6minCan Coral Reefs Survive Climate Change? #OursToLose
- Now Playing2minAre Humans Still Evolving? 12 Days of Evolution #11
- Now Playing4minThe Romantic Lure of Moonlight
- Now Playing2minCan Evolution Create Information? - 12 Days of Evolution #9
- Now Playing7minSonic the Hedgehog Is Why You Have Thumbs!
- Now Playing5minWhy Are The Bees Dying?
- Now Playing8minIs There Intelligent Life Beyond Earth?
- Now Playing5minHow Science Defines A Year
- Now Playing8minWhere On Earth Do You Weigh The Least?
- Now Playing5minThis Rainforest Caterpillar Looks Like Donald Trump
- Now Playing6minUnderstanding Climate Science
- Now Playing5minHow Your Body Knows Left From Right
- Now Playing17minHow Blind People See With Sound
- Now Playing6minHow An Igloo Keeps You Warm
- Now Playing4minWhat Color Is The Moon?
- Now Playing11minApollo's Most Important Discovery: Inside NASA's Moon Rock V
- Now Playing5minWhy Does The Earth Have Layers?
Origin of Everything
- Now Playing11minWhy Do So Many Religions Have Headwear?
- Now Playing7minWhy Do We Eat Popcorn at The Movies?
- Now Playing10minWhy Do We Have Hobbies?
- Now Playing10minThe 2nd Amendment Explained
- Now Playing9minThe Origin of Gender
- Now Playing8minWhere does the Nuclear Family Come From?
- Now Playing9minWhy Do All Malls Look the Same?
- Now Playing8minWhy Did Europeans Enslave Africans?
- Now Playing7minThe True Origin of Killer Clowns
- Now Playing9minThe Origin of Gender
- Now Playing7minWhy Does Santa Wear Red?
- Now Playing10minWhat is Ethnicity?
- Now Playing8minWhy Do We Get Grades in School?
- Now Playing9minWhy Do We Drink Milk in School?
- Now Playing12minWhy Do We Have Housing Projects?
- Now Playing8minWhy Do We Eat Artificial Flavors?
- Now Playing12minSix Historically True Facts about Money
- Now Playing11minWhat is Racial Passing?
- Now Playing8minWhy Do People Have Pets?
- Now Playing6minWhy Do We Have Middle Names?
Two Cents
- Now Playing9minHow Smart Entrepreneurs Think About PRICES!
- Now Playing6minI'm Young & Healthy, Can I Skip Health Insurance?
- Now Playing5minInsta-Everything
- Now Playing7minHow Retailers Stalk You Online
- Now Playing5minDo Kids Need to Learn About Money?
- Now Playing7minFighting the Financial Pitfalls of the Supermarket
- Now Playing7minIs Your Side Hustle Hustling You?
- Now Playing6minFighting the Wedding Industrial Complex
- Now Playing6minIs My Identity Safe From Hackers?
- Now Playing7minWhich College Majors Give the Most Bang for Your Buck?
- Now Playing7minMoney, A Global Game of Trust
- Now Playing7minWhat's The Real Cost of Dying?
- Now Playing6minHow to Ask for a Raise
- Now Playing7minShould I Invest In Cannabis Stocks?
- Now Playing6minTop 5 Biggest Financial Scams
- Now Playing7minWhy It's More Expensive To Be Poor
- Now Playing6minShould You Break Up With Your Big Bank?
- Now Playing6minThe Ugly Truth About Airline Miles
- Now Playing4minWhat is the DOW?
- Now Playing6minDoes Wealth Make You Meaner?
Monstrum
- Now Playing12minHave Humans Always Feared Sharks?
- Now Playing11minMapinguari: Fearsome Beast and Protector of the Amazon
- Now Playing9minAdze: the Shapeshifting Firefly from West Africa
- Now Playing17minAlien Abduction and UFOs: Why Are Grays So Common?
- Now Playing26minThe Killer Origins of the Werewolf
- Now Playing12minAre Cyborgs Really Monsters?
- Now Playing12minWhat Hellhounds Reveal about Humans' Oldest Companion
- Now Playing10minTikbálang: The Filipino Nightmare Shapeshifter
- Now Playing13minUnicorns: Magical Icons or Violent Beasts?
- Now Playing9minPost-Dracula Vampires: From Anne Rice to Twilight
- Now Playing8minBunyip: Australia's Mysterious Amphibian Monster
- Now Playing10minWhy the Dragon is Central to Chinese Culture
- Now Playing7minEl Chupacabras, a Modern Mystery
- Now Playing15minEgyptian Mummies: From Sacred Vessels to Scary Undead
- Now Playing31minThe Werewolf's Modern Metamorphosis
- Now Playing12minBeyond the Supernatural Horror of the Nishi Daak Ghost
- Now Playing7minWhat Dragons Say About Us
- Now Playing7minRelease the Kraken!
- Now Playing7minAre White Walkers Really Nordic Zombies?
- Now Playing14minThe Untold Secrets of Pokémon's Monster Mythology
Eons
- Now Playing10minThe Reign of the Hell Ants
- Now Playing12minThe Giant Dinosaur That Was Missing a Body
- Now Playing7minThe Sea Monster from the Andes
- Now Playing9minHow the Squid Lost Its Shell
- Now Playing10minThese Fossils Were Supposed To Be Impossible
- Now Playing12minHow Sloths Went From the Seas to the Trees
- Now Playing11minThe Age of Reptiles in Three Acts
- Now Playing11minWhy Megalodon (Definitely) Went Extinct
- Now Playing4minThe Tully Monster & Other Problematic Creatures
- Now Playing12minThe Humans That Lived Before Us
- Now Playing9minHow the Egg Came First
- Now Playing6minLiving Fossils' Aren't Really a Thing
- Now Playing6minThe Age of Giant Insects
- Now Playing8minWe Met Neandertals Way Earlier Than We Thought
- Now Playing10minThe Two Viruses That We've Had For Millions of Years
- Now Playing7minHow the T-Rex Lost Its Arms
- Now Playing8minHow Two Microbes Changed History
- Now Playing9minWhy Does Caffeine Exist?
- Now Playing10minWhen Dinosaurs Chilled in the Arctic
- Now Playing9minThe Whole Saga of the Supercontinents
Hot Mess
- Now Playing6minCoral Reefs Are Dying. But They Don't Have To.
- Now Playing4minHow Much Energy Does the Internet Use?
- Now Playing5minWhy Climate Change is Unjust
- Now Playing5minWhy We Confuse Weather and Climate
- Now Playing7minWhat's The Best Car For The Climate?
- Now Playing3minCould climate change make you allergic to meat?
- Now Playing5minWhat Happened to Nuclear Power?
- Now Playing6minWould Your Neighbors Save You From a Flooding Home?
- Now Playing11minClimate Change is Too Big for our Brains feat. Mike Rugnetta
- Now Playing12minOur Food System is Rigged feat. Sheril Kirshenbaum
- Now Playing13minThe Rise of Climate Fiction feat. Lindsay Ellis & Amy Brady
- Now Playing4minHow Much Energy Does the Internet Use?
- Now Playing6minCoral Reefs Are Dying. But They Don't Have To.
- Now Playing5minCan Farms and Forests Coexist?
- Now Playing4minWhy Are Hurricanes Getting Stronger?
- Now Playing5minWhat Happened to Nuclear Power?
- Now Playing8minHow One Conservative Texas Town Went 100% Renewable
- Now Playing6minWill Big Oil Have To Pay Up Like Big Tobacco?
- Now Playing5minWhat's actually the worst greenhouse gas?
- Now Playing5minWho Should Pay To Fix Climate Change?
Space Time
- Now Playing16minThe New Science of Moon Formation
- Now Playing11minWhy Haven't We Found Alien Life?
- Now Playing14minWhat Caused the Big Bang?
- Now Playing13minThe Cosmic Dark Ages
- Now Playing16minWhy String Theory is Wrong
- Now Playing9minIs There a Fifth Fundamental Force? + Quantum Eraser Answer
- Now Playing17minWhat If Black Holes Are Dark Energy?
- Now Playing16minCould We Terraform Mars?
- Now Playing12minWill Constructor Theory REWRITE Physics?
- Now Playing7minHow to Signal Aliens
- Now Playing12minReversing Entropy with Maxwell's Demon
- Now Playing10minThe Oh My God Particle
- Now Playing12minThe Missing Mass Mystery
- Now Playing10minQuantum Vortices and Superconductivity + Challenge Answers
- Now Playing10minThe Oh My God Particle
- Now Playing10minWhat Physics Teachers Get Wrong About Tides!
- Now Playing16minWhat Makes The Strong Force Strong?
- Now Playing15minHow Does The Nucleus Hold Together?
- Now Playing9minWhen Time Breaks Down
- Now Playing10minExtinction by Gamma-Ray Burst
Beat Making Lab
- Now Playing4minCho Cho Cho (Music Video) filmed in Goma, Congo
- Now Playing2minWalshy Fire [of Major Lazer] Wants Your Riddims
- Now Playing3minBeat Making Challenge #1: Accordion Trap
- Now Playing2minWhat's In the Backpack?
- Now Playing5minBehind the Beat: Portobelo
- Now Playing3minPanama: Meet the Kids Behind the Beats
- Now Playing3minGet Your Drums Right
- Now Playing2minField Trip: Prison Beats
- Now Playing2minMashup: National Anthems
- Now Playing10minHeartbeats of Fiji
- Now Playing4minPortobelo (music video)
- Now Playing3minBehind The Beat: First Beat Making Lab (2011)
- Now Playing3minSampling w/ Flip Flops and Ski Beatz
- Now Playing2minHealth Worker Beat
- Now Playing4minTrapped In Paradise
- Now Playing3minEpisode 1: Goma, Congo
- Now Playing4minDiablos (music video)
- Now Playing3minExclusive Zenga (Music Video) by Flamme Kapaya
- Now Playing3minBeat Making Challenge #2: Kora Riddim
- Now Playing3minFemale Hip Hop Crew Makes Beats in Senegal
Infinite Series
- Now Playing9minA Hierarchy of Infinities
- Now Playing15minArrow's Impossibility Theorem
- Now Playing14minInfinite Chess
- Now Playing11minVoting Systems and the Condorcet Paradox
- Now Playing15minDissecting Hypercubes with Pascal's Triangle
- Now Playing9minBeyond the Golden Ratio
- Now Playing11minSingularities Explained
- Now Playing8minHow to Divide by "Zero"
- Now Playing9minHow Many Humans Have the Same Number of Body Hairs?
- Now Playing10minThe Assassin Puzzle
- Now Playing10minUnraveling DNA with Rational Tangles
- Now Playing9minHow Many Humans Have the Same Number of Body Hairs?
- Now Playing12minThe Honeycombs of 4-Dimensional Bees ft. Joe Hanson
- Now Playing14minTopology Riddles | Infinite Series
- Now Playing16minHow to Break Cryptography
- Now Playing14minHow Big are All Infinities Combined? (Cantor's Paradox)
- Now Playing13minWhat is a Random Walk?
- Now Playing9minThis Video was Not Encrypted with RSA
- Now Playing12minThe Honeycombs of 4-Dimensional Bees ft. Joe Hanson
- Now Playing10minThe Assassin Puzzle
Idea Channel
- Now Playing5minAre Olympic Competitors Geniuses?
- Now Playing7minHow are Justin Bieber, Franz Liszt and Jerusalem Connected?
- Now Playing5minAre Memes and Internet Culture Creating a Singularity?
- Now Playing6minIs Minecraft the Ultimate Educational Tool?
- Now Playing5minIs William Gibson A Modern Day Oracle?
- 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 Playing4minHas the Microsoft Kinect revolutionized art?
- Now Playing4minIs Twitter the Newest Form of Literature?
- Now Playing8minIs a Tagged Instagram More Than Just a Photo?
- Now Playing5minNicolas Cage, Taoism, and YOLO
- Now Playing9minWill Kickstarter Replace Hollywood?
- Now Playing4minFrom Sherlock Holmes to 50 Shades of Grey
- Now Playing3minIs the Web Browser Replacing the Art Gallery?
- Now Playing5minIs Facebook Changing Our Identity?
- Now Playing6minWhat do MP3s and Magic Spells Have in Common?
- Now Playing6minWhat Do Santa and Wrestling Have In Common?
- Now Playing4minAre Mashups the End of Music Genres?