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Our bodies are a genetic patchwork, possessing variation from cell to cell. Is that a good thing?
Despite swapping DNA through interbreeding, butterflies and other animals can maintain distinct species.
Bacteria may have helped single-celled organisms make the leap to multicellular animals.
Newly discovered patterns in evolution may help scientists make accurate short-term predictions.
Newly discovered specimens support a more ancient origin for viruses, perhaps all the way back to the origins of life.
An insight borrowed from computer science suggests that evolution values both fitness and diversity.
A new theory suggests that cooperation between a host and its microbes may be a significant evolutionary force.
Is the random noise inside a cell a nuisance, or have cells evolved ways to put it to work?
By comparing the genomes of social and solitary bees, scientists hope to uncover the basis for communal behavior.
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