The theory of evolution by natural selection was first formulated in Darwin’s book “On the Origin of Species” in 1859. It describes how organisms change over time as a result of changes in heritable ...

Evolution is always happening — so why can't we see it? A biologist explains the timescale problem, election pressure, and ...

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 ...

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 ...

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 ...

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

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 ...

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

READER QUESTION: If humans don’t die out in a climate apocalypse or asteroid impact in the next 10,000 years, are we likely to evolve further into a more advanced species than what we are at the ...