Wild monkeys in West Africa can climb vertical tree trunks using foot flexibility scientists did not realize they possessed.

Why do humans rely on XY chromosomes to determine sex, while birds use ZW—and many reptiles use neither, letting temperature ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A discussion on the inclusion of evolution in textbooks sparked a ...

A new study from the University of Michigan suggests that organisms could get better at evolving over time. Researchers used a computer program to simulate organisms switching between beneficial and ...

A classic question in biology is whether evolution is entirely random or, can it follow predictable patterns. This question was popularized by the famous paleontologist and science communicator ...

The bitter culture wars over the teaching of evolution in public schools dominated headlines throughout the 2000s, in large part because of the Bush administration’s coziness with evangelicals who ...

A sweeping analysis of thousands of animal genomes suggests that chromosomes do not evolve randomly but instead follow a limited number of irreversible “evolutionary highways.” These one-way genetic ...

The theory of how life develops on Earth has inspired a lot of controversial and inaccurate statements—including some from Charles Darwin himself. No species better exemplifies this than human beings.

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