The Conflict Thesis and the Complexity Thesis

The conflict thesis, the claim that science and religion have been locked in essentially continuous historical warfare, was given its most influential statements in two nineteenth century works, John William Draper's History of the Conflict Between Religion and Science and Andrew Dickson White's A History of the Warfare of Science with Theology in Christendom, both of which shaped popular understanding of episodes including the Galileo affair for more than a century afterward.

Historians of science specializing in these episodes have since found the conflict thesis considerably oversimplified, and in many specific cases factually wrong: the Galileo affair, the thesis's most cited example, involved specific political, personal and institutional circumstances at least as much as a general religious hostility to heliocentrism, and other frequently cited conflict episodes, including claims about a medieval belief in a flat earth, have been shown by historians to be later inventions with little basis in the actual medieval record. The complexity thesis, now the mainstream position within the history of science as a professional discipline, holds that the historical relationship between religious and scientific institutions and ideas varied enormously by period, place, individual and specific question, sometimes conflictual, often cooperative or simply unconnected, resisting any single overarching narrative in either direction.

Beyond the conflict and complexity theses, two further influential frameworks address how science and religion relate as bodies of inquiry rather than as a matter of historical narrative. The independence model, developed most explicitly by the paleontologist Stephen Jay Gould under the label non-overlapping magisteria, argues that science and religion address fundamentally separate domains, empirical fact for science and moral and existential meaning for religion, so that the two cannot genuinely conflict because they are not answering the same kinds of questions, a settlement widely cited in public discussion though criticized from both religious and secular directions as understating how often religious traditions do make empirical claims and how often scientific findings do bear on questions of meaning.

A dialogue and integration model, associated with scholars and institutions working specifically in the science and religion field, treats the two as capable of mutual, substantive engagement, each potentially informing the other's questions without either being reduced to the other, a more actively collaborative posture than either pure conflict or strict separation assumes. This atlas records all four positions, conflict, complexity, independence and dialogue, as documented frameworks scholars and religious thinkers have proposed rather than treating any one as the field's final word.