The differential survival and/or reproduction of classes of entities that differ in one or more characteristics. To constitute natural selection, the difference in survival and/or reproduction cannot ...

This post is the second in a series on evolutionary medicine, the application of the principles of evolution to the understanding of health and disease. Read the previous entry here. It's a basic ...

Researchers discovered that autism’s prevalence may be linked to human brain evolution. Specific neurons in the outer brain evolved rapidly, and autism-linked genes changed under natural selection.

It's widely assumed within the evolutionary biology field that weak selection provides an advantage to an organism's ability to evolve. But new research may offer the first experimental proof that ...

Though Charles Darwin is most famous for his voyage aboard the HMS Beagle and his theory of natural selection, the naturalist was, at heart, a botanist. Photo illustration by Smithsonian.com / Photos ...

Natural selection is the process by which some organisms in a population survive and reproduce, while others do not, based on their bodies and behaviour. It is one of the processes by which species ...

Most of us know that as living things evolve, they take on traits that help them thrive in their home environments. But how ...

Campers head outside to play a survival game of genetic mutations and natural selection... In this episode Finding Your Roots campers head outside to play a survival game of genetic mutations and ...