The history of Earth is divided into four great eons, starting 4,540 mya with the formation of the planet. Each eon saw the most significant changes in Earth's composition, climate and life.

Jul 29, 2025 · The history of Earth is not just a record of rocks and organisms—it is a story of transformation, resilience, and wonder. From a fiery ball of molten rock to a cradle of …

Explore the complete timeline of Earth’s evolution - from formation and first life to modern climate change and future environmental shifts.

Apr 16, 2025 · Here is the origin story of Earth—the only place we know life to exist. The Big Bang brought the universe into existence more than 13 billion years ago. But it wasn't until much …

Follow the history of our home planet over billions of years, from a molten ball of lava to the thriving life of today

Jul 7, 2025 · Earth's history spans approximately 4.6 billion years, a vast timeline marked by continuous geological and biological transformation. This article explores the major eons and …

geologic history of Earth, evolution of the continents, oceans, atmosphere, and biosphere. The layers of rock at Earth ’s surface contain evidence of the evolutionary processes undergone by …

Nov 20, 2023 · Dive into the most dramatic events in Earth’s 4.5-billion-year history, from its birth to the emergence of humanity. How did a hellscape of molten lava transform into a lush, …

The natural history of Earth concerns the development of planet Earth from its formation to the present day. [1][2] Nearly all branches of natural science have contributed to understanding of …

This timeline of Earth's history summarizes significant geological and biological events from the formation of the Earth to the arrival of modern humans. Times are listed in millions of years, or …