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 conscious …

This timeline captures the major milestones in Earth’s geological, biological, and climate evolution – from the first microbes to the looming effects of human-driven climate change. Watch the video below for …

Jul 23, 2025 · Origin and Evolution of Earth: Earth was formed around 4.54 billion years ago. Early theories like the Nebular Hypothesis, Revised Nebular Hypothesis, Binary Theories, etc. explain the …

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 …

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 these …

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

The history of Earth spans over 4.5 billion years, from its formation through the Big Bang to the present day. Over this time, the planet has undergone a vast array of changes, including the emergence of …

Due to plate tectonics, Earth’s land is constantly shifting and changing over time. 250 million years ago, all of Earth’s landmass was united in a single supercontinent called Pangaea.

May 9, 2006 · The Earth’s Shifting Orbit From the scratched rocks strewn haphazardly across the landscape and the thin layer of soil left behind by retreating glaciers, scientists learned that the Earth …