In new research, Arizona State University scientists and their colleagues investigated genetic changes occurring in a naturally isolated population of the water flea, Daphnia pulex. This tiny ...

Beneficial mutations happen quite frequently, but the world changes too fast for them to stick.

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 ...

Whether it's more aggressive chickadees, snails with lighter coloring or pigeons with anti-pollution plumage, urban wildlife ...

By analyzing the genetic material of thousands of ancient humans, researchers have mapped how natural selection influenced ...

Introduction. Definition of natural selection ; Relationship to genetic drift and evolution ; Restricted meanings of "natural selection" ; Modes of selection ; Summary -- Philosophical comments.

The second science -- Simple selection -- The genetic and ecological context of selection -- History, chance, and necessity -- The rate of genetic deterioration -- The rate of environmental ...

The whole world could soon be seeing red. Instead of being the punchline, redheads will have the last laugh, as a new study reports that humans have been constantly evolving to have flame-colored hair ...

When most people think about natural selection, they imagine individuals competing with one another: The fastest animal escapes predators, the strongest plant produces more seeds, and the most ...

Natural selection has been playing a bigger role in changing modern human DNA than previously thought, according to a new study. geralt via Wikimedia Commons under CC0 Many people are familiar with ...

Most of us know that as living things evolve, they take on traits that help them thrive in their home environments. But how are certain traits "chosen" for future generations, and how are others cast ...