Here’s what you’ll learn when you read this story: In the 1960s, Kimura’s neutral theory revolutionized molecular biology by arguing most DNA changes are random, not adaptive. A new study finds ...

(Volodymyr Yakimchuk/Creatas Video+/Getty Images Plus) A seismic shift in the selection pressures acting on humans may have ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A strange tiny species of crustacean has challenged the way we think ...

I had always been a huge admirer of evolution and the process of natural selection. I mean look at its achievements: from ...

In evolutionary theory, natural selection 1 describes why some things exist and others do not 2. Darwin’s theory of evolution and its modern synthesis point out how selection among variants in the ...

Natural selection is usually understood in the context of change. When organisms deviate from the norm, they may gain advantages that let their lineages outlast those of their less-adaptable relatives ...

The story of Charles Darwin’s life. His theory of evolution changed the way we understood our place in the world.

The onset of Darwinian evolution represents a key step in the transition of chemical systems into living ones. Furthermore, Darwinian evolution is a tremendously powerful engine of invention, but one ...

Every morning in Miami, our fieldwork begins the same way. Fresh Cuban coffee and pastelitos – delicious Latin American pastries – fuel our team for another day of evolutionary detective work. Here we ...

Depending upon how you do the counting, there are around 9 million species on Earth, from the simplest single-celled organisms to humans. It’s reassuring to imagine that complex bodies and brains like ...

Over the past 10,000 years, natural selection has contributed to the evolution of nearly 500 genes in the DNA of West Eurasians, affecting their looks and susceptibility to different illnesses, a new ...