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

The enzymes found in modern organisms are complex proteins, often with multiple folded substructures and specialized catalytic sites. Proteins are encoded by genes. Tracing the history of enzymes ...

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

The comparative analysis of primate genomes within a phylogenetic context is crucial for understanding the evolution of the human genetic architecture and the inter-species genomic differences ...

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 ...

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 ...

When we think of evolution, we often think of slow, gradual changes made over millions of years. However, new research suggests that the process could be happening quite quickly, driving major changes ...

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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