In its 4.6 billion year history, Earth has undergone massive geologic and climatic changes and provided habitat to an ever-changing cast of life forms. To learn more about the origins and evolution of Earth and its inhabitants, investigate this extensive collection of resources.

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Evolution continues to be a highly controversial, and often misunderstood, topic among the general public. To better understand the complex relationships between science, religion, and public policy, consult this extensive list of resources.

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This set of resources provides a context in which to understand Darwin and his work: his lifetime of research, his writings, the thinkers who influenced him, and the social and political world in which he lived.

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Science is a way of understanding the world, not a mountain of facts. Before anyone can truly understand scientific information, they must know how science works. Science does not prove anything absolutely -- all scientific ideas are open to revision in the light of new evidence. The process of science, therefore, involves making educated guesses (hypotheses) that are then rigorously and...

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Natural selection is the cornerstone of Darwin's theory of evolution; adaptations are the traits that allow organisms to survive the selection process. This set of resources includes books, articles, and Web links that explore various aspects of these pivotal interrelated concepts.

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