Earth Timeline

Earth Timeline Series – Index

【Earth Timeline 01】The Hadean Eon – An Age With No Surviving Rock

【Earth Timeline 02】The Archean Eon – When Traces of Life Began to Appear

【Earth Timeline 03-1】The Proterozoic Eon – How the Atmosphere Filled With Oxygen

【Earth Timeline 03-2】The Proterozoic Eon – A Planet Frozen to the Equator, and the First Large Life

【Earth Timeline 04】The Cambrian Period – When the Blueprints of Animal Bodies Came Together

【Earth Timeline 05】The Ordovician Period – Reef-Filled Seas and an Ending Locked in Ice

【Earth Timeline 06】The Silurian Period – When Plants Came Ashore

【Earth Timeline 07】The Devonian Period – How Fins Became Legs

【Earth Timeline 08】The Carboniferous Period – Giant Insects and Oxygen-Rich Forests

【Earth Timeline 09-1】The Permian Period – When the Continents Became One

【Earth Timeline 09-2】The Permian Period – The Greatest Extinction in History

【Earth Timeline 10】The Triassic Period – Filling the Seats Left Empty by Extinction

【Earth Timeline 11】The Jurassic Period – When Dinosaurs Took the Lead on Land

【Earth Timeline 12-1】The Cretaceous Period – When Flowers Bloomed and Feathers Spread

【Earth Timeline 12-2】The Cretaceous Period – The Day the Asteroid Hit

【Earth Timeline 13-1】The Paleogene Period – A World Where Mammals Filled the Empty Seats

【Earth Timeline 13-2】The Paleogene Period – Abrupt Warming and the Whales That Returned to the Sea

【Earth Timeline 14】The Neogene Period – When the Mediterranean Dried Up

【Earth Timeline 15-1】Cenozoic: The Quaternary – Why the Mammoths Died Out at the End of the Last Ice Age

【Earth Timeline 15-2】The Quaternary Period – When Earth Had Many Human Species