The timeline of life represents the current scientific theory outlining the major events during the development of life on Earth. Dates in this article are consensus estimates based on scientific …

You will also find a timeline of evolutionary history and information on some specific events in the history of life: human evolution and the origin of life.

Apr 7, 2025 · The evolution of life on Earth is one of the most awe-inspiring and complex stories ever told, spanning billions of years of transformation, adaptation, and survival.

During the period of human evolution, the Earth's climate has fluctuated between warm and cold. Some of the most important milestones in human evolution occurred during times of greatest fluctuations.

Dec 13, 2025 · All organisms on Earth today are equally evolved since all share the same ancient original ancestors who faced myriad threats to their survival.

Below is a detailed chronological timeline highlighting the major milestones in the evolution of life on Earth – from the first signs of life in ancient oceans to projected future events like synthetic …

The historical timeline of the theory of evolution before and after Darwin gives context to contemporary theories.

This timeline of the evolutionary history of life represents the current scientific theory outlining the major events during the development of life on planet Earth.

The timeline of human evolution outlines the major events in the evolutionary lineage of the modern human species, Homo sapiens, throughout the history of life, beginning some 4 billion years ago …

TimeTree is a public knowledge-base for information on the evolutionary timescale of life. Data from thousands of published studies are assembled into a searchable tree of life scaled to time. …