Charles Darwin
Charles Darwin (1809-1882) was an English naturalist and biologist whose theory of evolution by natural selection transformed our understanding of life on Earth. His work is the foundation of modern biology and one of the most important scientific achievements in history.
In On the Origin of Species (1859), Darwin argued that all living things descend from common ancestors, and that the diversity of life arises through natural selection — the survival and reproduction of those best suited to their environment. The idea was revolutionary and controversial, and it reshaped science, philosophy, and religion. He developed it further in later books such as The Descent of Man, which applied evolution to human origins.
Much of Darwin's thinking grew out of his five-year voyage around the world aboard HMS Beagle, during which he collected the observations — from Galapagos finches to South American fossils — that would occupy him for decades.
Darwin wrote in careful, detailed Victorian prose. Our editions present his ideas and key works clearly so the argument that changed science is easy to follow. Read a selection free, and read or listen with a membership.
Charles Darwin in the library · 3 works
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Frequently asked questions about Charles Darwin
What did Charles Darwin write?
Darwin's most important book is On the Origin of Species (1859), which sets out his theory of evolution by natural selection. He also wrote The Descent of Man, The Voyage of the Beagle (his travel account), The Expression of the Emotions in Man and Animals, and detailed studies of everything from barnacles to earthworms. On the Origin of Species is his defining work.
What is On the Origin of Species about?
It presents Darwin's theory that species change over time and share common ancestors, driven by natural selection: individuals with traits better suited to their environment tend to survive and pass those traits on. Over vast stretches of time, this produces the enormous diversity of life. The book carefully marshals evidence from breeding, geology, and nature to make the case.
What is natural selection?
Natural selection is the process at the heart of Darwin's theory. Because more organisms are born than can survive, those with traits that give an advantage in their environment are more likely to live and reproduce, passing those traits to their offspring. Over many generations, this gradually shapes and changes species. It is often summarised as 'survival of the fittest,' a phrase Darwin later adopted.
Was Darwin's theory controversial?
Yes, intensely so. By suggesting that all life, including humans, descended from earlier forms through natural processes, Darwin's theory challenged widely held religious beliefs about creation. It provoked fierce debate in his own time and, in some quarters, still does. Within science, however, evolution became the unifying framework of modern biology.
Is Darwin hard to read?
His writing is clear and methodical but detailed and Victorian in style, building its case example by example, which can feel slow. The core ideas, though, are graspable and fascinating. A modern-English edition helps you follow the reasoning without wading through every technical digression.
When did Charles Darwin live?
Darwin was born in 1809 and died in 1882. He made his famous voyage on HMS Beagle from 1831 to 1836, published On the Origin of Species in 1859, and spent decades gathering evidence and developing his ideas. He is buried in Westminster Abbey, near Isaac Newton.
Where can I read Darwin for free?
Darwin's works are in the public domain and freely available. His original Victorian text can be dense and technical. Here you can read a selection free in clear modern English, and read or listen with a membership.
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