This groundbreaking work introduced the theory of evolution by natural selection, revolutionizing the biological sciences. Darwin meticulously argues that species evolve over time through a process of adaptation to their environments, driven by survival pressures. Based on years of research and observations, particularly during his voyage on the HMS Beagle, this book fundamentally altered our understanding of the natural world and remains one of the most influential texts in scientific history.

A facsimile of the 1859 first edition.