What if humanity disappeared tomorrow, and Earth slowly erased every trace of our existence? What if you could travel a billion years into the past or future and witness the planet’s greatest transformations? From the world before dinosaurs to the supercontinent Pangaea, explore the incredible history of Earth, its possible futures, and the mysteries of our own extinction. 00:05 - If All Humans Vanished, How Long Until Earth Erased Every Trace Of Us? 23:01 - What If We Traveled One Billion Years Into the Past? 31:19 - What If You Lived in Every Era of Earth 53:37 - What If Pangea Still Existed Today? (the recent one) 1:16:28 - What Was Earth Like Before the Dinosaurs? 1:25:43 - Entire History of Earth Condensed into 27 minutes 1:49:09 - What If We Knew the Time We Go Extinct? 1:58:59 - What if You Traveled One Billion Years Into the Future? 👍 Enjoyed the video? Hit LIKE and comment below: Which cosmic apocalypse scenario scares you the most? Dive even deeper into the world of science and discovery with Popular Science, the free streaming channel bringing you more of what you love from What If, plus epic explorations in engineering, rocket launches, movies, space, and Earth sciences https://underknown.com/popularscience/ Support us on Patreon: https://www.patreon.com/whatifshow/membership Check out our other channels: How to Survive: https://bit.ly/how-to-survive-show Animalogic: https://www.youtube.com/@UCwg6_F2hDHYrqbNSGjmar4w Aperture: https://bit.ly/aperture-show T-shirts and merch: http://bit.ly/whatifstore What If elsewhere: Instagram: http://bit.ly/whatif-instagram Discord: https://discord.gg/Bj5UnspbwE Podcast: http://bit.ly/yt-what-if-show-podcast What If is a mini-documentary web series that takes you on an epic journey through hypothetical worlds and possibilities. Join us on an imaginary adventure through time, space and chance while we (hopefully) boil down complex subjects in a fun and entertaining way. Contact us at https://underknown.com/contact/ NUGABYMSNFFFZU7D 0GWVSHHOVSTAV0ZL 9AY5EFPHMA2FZLLF #whatif #science #earth #universe #cosmos