Despite lacking a hippocampus entirely—and having diverged from the mammalian lineage roughly 400 million years ago—larval ...

An international study changes the view that exposure to the toxic metal lead is largely a post-industrial phenomenon. The research reveals that our human ancestors were periodically exposed to lead ...

A fossil smaller than a human fingernail has revealed a complete ancient brain, turning a speck of stone into a detailed map of early animal evolution. Encased inside this tiny creature are preserved ...

Researchers in Australia have uncovered surprising new insights into the evolution of the brain's immune system. In a study published in Nature, the team explored a highly specialized population of ...