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 …

Dec 2, 2025 · evolution, theory in biology postulating that the various types of plants, animals, and other living things on Earth have their origin in other preexisting types and that the …

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 selection, …

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.

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

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 …

Mar 26, 2024 · Evolution is the gradual process by which species of organisms undergo changes over generations through variations in their genetic material, leading to the development of …

Dec 2, 2025 · Evolution can be seen as a two-step process. First, hereditary variation takes place; second, selection is made of those genetic variants that will be passed on most effectively to …

Evolution is the principal scientific theory that biologists use to understand life and is used in many disciplines, including medicine, psychology, conservation biology, anthropology, forensics, …

5 days ago · Columnist and Humans 2025 was chock full of exciting discoveries in human evolution From an incredible series of revelations about the ancient humans called …