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Explore 25 Major Events in Earth's 4.5 Billion Year History. Discover pivotal moments from its formation to the rise of life.

The emergence of the first biopolymers and their building blocks on the early Earth is considered a key moment in the origin of life (OoL), but how life began on the prebiotic Earth from a pile of ...

When the first spark of life emerged on a young, ocean-covered Earth some four billion years ago, it didn’t happen at once. The process was slow and drawn out over eons, with lifeless chemicals slowly ...