Are There Lost Alien Civilizations in Our Past?

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Get inspired by Science - Learn about the history of life and dream of utopian civilizations. Visit our shop: https://kgs.link/shop-158 Go to https://NordVPN.com/kurzgesagt for an exclusive deal for our viewers. It’s risk free with NordVPN’s 30 day money back guarantee. Sources & further reading: https://sites.google.com/view/sources-earthaliens/ When we think about alien civilizations we tend to look into the vastness of space, to far away planets. But there is another incredibly vast dimension that we might be giving too little thought to: time. Could it be that over the last hundreds of millions of years, other civilizations existed on earth? Indigenous technological species that rose and died out? And that they or their artifacts are buried beneath our feet? What does science have to say about this and what are the implications for us? OUR CHANNELS ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ German Channel: https://kgs.link/youtubeDE Spanish Channel: https://kgs.link/youtubeES HOW CAN YOU SUPPORT US? ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ This is how we make our living and it would be a pleasure if you support us! Get Merch designed with ❤ https://kgs.link/shop-158 Join the Patreon Bird Army 🐧 https://kgs.link/patreon DISCUSSIONS & SOCIAL MEDIA ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ Reddit: https://kgs.link/reddit Instagram: https://kgs.link/instagram Twitter: https://kgs.link/twitter Facebook: https://kgs.link/facebook Discord: https://kgs.link/discord Newsletter: https://kgs.link/newsletter OUR VOICE ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ The Kurzgesagt voice is from Steve Taylor: https://kgs.link/youtube-voice OUR MUSIC ♬♪ ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ 700+ minutes of Kurzgesagt Soundtracks by Epic Mountain: Spotify: https://kgs.link/music-spotify Soundcloud: https://kgs.link/music-soundcloud Bandcamp: https://kgs.link/music-bandcamp Youtube: https://kgs.link/music-youtube Facebook: https://kgs.link/music-facebook The Soundtrack of this video: Soundcloud: https://bit.ly/35HoKJ3 Bandcamp: https://bit.ly/3to6i0h If you want to help us caption this video, please send subtitles to subtitle@kurzgesagt.org You can find info on what subtitle files work on YouTube here: https://support.google.com/youtube/answer/2734698?hl=en-GB&ref_topic=7296214 Thank you! 🐦🐧🐤 PATREON BIRD ARMY 🐤🐧🐦 ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ Many Thanks to our wonderful Patreons (from http://kgs.link/patreon) who support us every month and made this video possible: Vincent le Gros Jardinier le Matin, Ke ke Walker-Chun, Tom, Riccardo Amici, William Clendinning, Ky-Cuong Huynh, Ben Jacobs, Karl Kasamon, Hannah Stapley-Parker, Katebee, Álvaro López-Berges Timon, Paul@MountainAshMetalwork, Noli Ergas, Corey Dome, Andrew Langston, Spencer Rose, Pratik Karki, Parker FK, Christian Bunk, Jonas Boll Esser, Anthony Pettid, Daniil Bratchenko, Matthew Middleton, Oromis, OnlineBookClub.org, Josh Bennett, Simon Thompson, pinky, Wayne B Hayes, Kristin Purdy, Boaz de Vries, brb_coffee, Matthew O'Rourke, Eric R Taylor, Inkuto, Kim Gilligan, Michael K. Scott, Seweryn M., Richard Lember, Daniel Jacques Osuna, Kirill, bearmassacre, Brittany Toole, Alex Mooney, Aria Bend, Aletheia McLan, David Laborde, Hung Nguyen, Masood Latif, Benjamin Meyers, Christopher, applesauce, Roy Villavicencio, Stefano Perna, Tim van Mourik, Harald Kepplinger, NightOps59, Ola Mellowhype, Ashley Andrews, Amelia Price, Дмитрий Ковтун, Christopher Zullig, Nick Riker, Dennis Zhang, Victor Paslay, Crafting With Luigi, Ryan W, Hagiu Alexandru, bob huh, Mitchell Mebane, Ziff, Sonny D, Bill Sangary, Christopher Coutts, Miha Rekar, Alex Wendland, Vitor Vilela, Roko Lisica, Cosmo, Marc Probst, Debreczeni Szabolcs, Maven, David Junk, Adam Grimaldi, Danny Arauz, Goodroot, Oleg, Bill Dora, Marc van der Schee, Solal Fukui, Smelly_Patreon, David McGrath, Štěpán Hrabovský, Zane Rastrick, Andy Brychenko, Dan Malear, John Boyne, Tim Engelmann, George Georgiou, Miruna Andreea, Kais Kovash, Itay Tishler, Simon Hodgson, Marvin Hansen, Nicolas Grønlund, Jamal Alishov, Jeremy, Tyler Richard Trumpie, Anders Ryssdal, Billy Carr, Yuma Kobayashi, Rumo, Sarasomniac, Prasanth Madhurapantula, Will Regan-Jones, Elijah and William Krastev, MI, Luke Clews, Adam Garner, Steffen Halstrick, Zac Clennell, ab, Stephen Mulshnock, Alex, Dr. Chill, Michael Cross, Jan, Artemaeus, Fergus Costello, Kamil Kowalski, Lucas Furtado, Doru Vraja, Brad Wasbrough, Tomas Chang Pico, Kilian L., Thomas André Transeth, zubair bhatti, Alexandre Piluguina, Khyzaro, Willem Balfoort, Matthew Warner Rice, Cody_Kun, Andre Levy a.k.a. Zhion, QPRdazza, Manuel Schmidbauer, Bastian Widl, Ali Jenkinson, James Mitchell, Ljubica Ristovska, Stirling Calvert, Jirka Maršík, Luzurper, Karlis Seglenieks, Tishbyte, Jeremy Bouchard, Tim Krause, Ahmad, Majis, Adam Cunha, Trentin Brooks, Josh Walker, PJ Stewart, Paul M Rest, Shane Scranton, Leah Klearman, Sebastián Gómez Ramírez, Xalta7