He developed the theory of evolution that life on Earth developed through the process of natural selection.

VOA: special.2009.12.16

Today,almost all scientists accept the theory of evolution.

VOA: special.2009.02.25

As a result,he was almost upstaged by a younger colleague, Alfred Russell Wallace, who developed the theory of evolution through his own research.

VOA: standard.2009.11.25

On stage,Milner tells the story through music. Darwin's theory of evolution through natural selection inspires some tunes,and episodes in his life inspire others.

VOA: standard.2009.11.25

The former priest says the theory of evolution is consistent with his Christian faith.

VOA: standard.2010.04.05

In 1981 Ayala joined a legal battle as an expert witness in the challenge against an Arkansas law mandating that the biblical story of creation be taught in schools, alongside Darwin's theory of evolution.

VOA: standard.2010.04.05