The gene BCO2 enables male and female members of some bird species to display dramatically different color patterns.

Modern human genomes and bones left behind from ancient hominins in Africa tell a complex story about the origins of our species.

Genetics and archaeology yield clues as to when humans first arrived on the continent and how these early settlers lived.

The leaky blood vessels and lung fluid build-up in some COVID-19 patients might be explained by the virus’s corruption of an inflammation safeguard.

The COVID-19 pandemic is sparking renewed efforts to study the underlying causes of this complex, debilitating disease, which might be triggered by the novel coronavirus.

The basic reproductive R0, along with the more malleable effective reproduction number Re, are centerpieces of most epidemiological models that are informing government responses to COVID-19.

How llamas and superglue might lead to antiviral therapies

Cancer therapies could potentially be more effective if their development took into account the cells that give rise to tumor-fighting cells.

People who show low social engagement over long periods of time often show reductions in cognitive function. Studies of the brain may provide clues about this correlation.