Geneticists have found an interesting pattern in how early humans and Neanderthals interbred—and it wasn't balanced.

A new analysis argues that this daily work of processing and cooking food helped reshape human bodies and social life. It explores how fire, tools, and cooperation driven by women changed humans’ ...

Human newborns arrive remarkably underdeveloped. The reason lies in a deep evolutionary trade-off between big brains, bipedalism and the limits of motherhood.