Braces, rubber bands, even jaw surgery—millions endure them in pursuit of a straighter smile. But were misaligned smiles ...

In romantic movies, kissing often symbolizes love, yet this simple act of pressing lips together has peculiar origins.

A lost chapter in human evolution has been revealed after an analysis of modern DNA found that we come from not one but two ancestral populations—ones that drifted apart and later reconnected ...

For decades, the dominant theory in human evolution suggested that modern humans descended from a single ancestral lineage in Africa. However, groundbreaking new research from the University of ...

An analysis of genomes from some of the earliest modern humans to live in Europe reveals their ancestors interbred with Neanderthals in one period between 43,000 and 50,000 years ago.

Neanderthals interbred with modern humans 47,000 years ago, passing down DNA that still exists in many modern-day people, according to two new studies. Accessibility statement Skip to main content.