Fossils explain where and when close relatives in our family tree coexisted.
Our health depends on trillions of microbes living in our bodies.
Fossil gives scientists a heads-up on the origin of flexible infant skulls.
Scientists connect a superbug’s resistance to antibiotic-laced livestock feed.
Twitter provided real-time data on a cholera outbreak in Haiti.
A keen sense of smell may have given humans an edge in brain development.
In the worldwide wildlife trade, public health risks run high.
Ancient fossils suggest modern humans populated Europe earlier than once thought.
Online game players manipulate models to solve a virus protein puzzle.
Traumatic experiences can alter how the brain looks and works.