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

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 ...

A fish thought to be evolution’s time capsule just surprised scientists. A detailed dissection of the coelacanth — a 400-million-year-old species often called a “living fossil” — revealed that key ...

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 ...

The idea that universes evolve like organisms sat on the fringes of theoretical physics for decades. Then, a Substack post ...

PBS science strand “Nova” is set to explore the “epic journey of life” in a new series about evolution. “Nova: Evolution” is a five-part series from the GBH documentary unit together with the BBC and ...

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