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 ...

The virus that causes COVID-19 has accomplished something that school boards and other policy makers often refuse to do. It has given us a vivid, real-time lesson in how biological evolution works, ...

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 ...