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 …

Oct 19, 2023 · Darwin and a scientific contemporary of his, Alfred Russel Wallace, proposed that evolution occurs because of a phenomenon called natural selection. In the theory of natural …

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.

Apr 5, 2025 · In the world of science, few ideas have had as profound an impact on human understanding as Charles Darwin’s theory of evolution by natural selection. In the years since …

2 days ago · Biological evolution is the process of change and diversification of living things over time, and it affects all aspects of their lives— morphology (form and structure), physiology, …

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 · Evolution, as related to genomics, refers to the process by which living organisms change over time through changes in the genome. Such evolutionary changes result from …

Aug 25, 2017 · The entry begins with a brief survey of definitions of evolution, followed by a discussion of the different modes of evolution and related philosophical issues, and ends with …

Aug 6, 2025 · Evolution, far from being a crumbling theory, is the bedrock of modern biology. It is the lens through which scientists view every fossil, every genome, every cell, and every living …

Learn how early humans evolved from Homo habilis, to Homo erectus, to Homo sapiens and developed basic survival tools. The story of human evolution began about 7 million years ago, …