A 70-year-old woman stands alone with a flat tire for an hour after sending her son away, revealing a generation's ...

Some researchers hold that evolution hasn’t much altered humans in the past 10,000 years. A new analysis of ancient DNA ...

Data from more than 15,000 ancient people reveal natural selection of hundreds of genes linked to immunity, skin tone, ...

This is when unrelated species evolve to have functionally similar features. All bats and birds "converged" with their ability to fly in response to environmental stimuli and biological goals. The arm ...

The work demonstrates the power of ancient DNA to illuminate human biology and medicine in addition to history. A massive ...

Another complication is that sustained genetic variation does not emerge exclusively as a result of natural selection.

DNA methylation data can be used to estimate biological age, but results across commercial tests differ, raising questions ...