The scientific theory of evolution by natural selection was conceived independently by two British naturalists, Charles Darwin and Alfred Russel Wallace, in the mid-19th century as an explanation for …

Jul 7, 2026 · Evolution, theory in biology postulating that the various types of living things on Earth have their origin in other preexisting types and that the distinguishable differences are due to modifications …

Nov 13, 2024 · Evolution is the process by which species change over time through the gradual accumulation of genetic variations, driven by mechanisms like natural selection, genetic drift, and …

For evolutionary history before primates, see Evolution of mammals, History of life, and Timeline of human evolution.

Jul 24, 2026 · Evolution is a process of continuous branching and diversification from common trunks. This pattern of irreversible separation gives life's history its basic directionality.

4 days ago · See the article evolution for a full explanation of evolutionary theory, including its main proponents both before and after Darwin, its arousal of both resistance and acceptance in society, …

Jul 13, 2026 · Chris Packham uncovers the 4 billion year story behind five iconic animals, revealing how evolution shaped them in the most surprising ways.

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Evolution helps us to understand the living world around us, as well as its history. Biological evolution is not simply a matter of change over time.