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 31, 2025 · 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 …

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 28, 2025 · Evolution explains how microscopic single-celled organisms eventually gave rise to the vibrant explosion of life we see today. It tells us how species adapt, survive, diverge, and …

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

Dec 31, 2025 · The Top Human Evolution Discoveries of 2025, From the Intriguing Neanderthal Diet to the Oldest Western European Face Fossil Smithsonian paleoanthropologists examine …

Learn all about the history of life with these resources and articles on natural selection, genetics, cell types, Charles Darwin, and more.

Nov 29, 2025 · Is this iguana an invader? Evolution has answers Posted November 29, 2025 The vine twining on the fence, the insect crawling over the sidewalk, and the flock of birds wheeling …

Evolution is a process that results in changes in the genetic material of a population over time. Evolution reflects the adaptations of organisms to their changing environments and can result in...