Charles Darwin's theory of evolution now forms the basis for all the life sciences, but it ignited widespread controversy upon its 1859 publication. The idea that humans and animals might have evolved from a common source came as a shock to readers at the time, and people struggle with the implications of Darwin's theory to this day. But Darwin foresaw this resistance and argued his case with extensive examples and rigorous logic - and his theory continues to push us toward a deeper understanding of life on Earth.
One of the most impactful scientific treatises of all time, The Origin of Species is still the definitive work on the subject more than 150 years after first making its mark.
Revised edition: Previously published as The Origin of Species, this edition of The Origin of Species (AmazonClassics Edition) includes editorial revisions.