Modern humans are evolutionary survivors, thriving generation after generation while our ancient relatives died out. Now, new research into our brain chemistry suggests that an enzyme unique to Homo ...

Imagine a world where colossal creatures roamed the land, coexisting with early humans. This was the reality in the Americas, where giant sloths and mastodons thrived alongside our ancestors for ...

Two of the traits that set modern humans apart from non-human primates are taller stature and a higher basal metabolic rate. Researchers have identified a genetic variant that contributed to the ...

Scientists have long debated how modern humans evolved. For decades, most researchers agreed that Homo sapiens came from one ancestral group in Africa, dating back 200,000 to 300,000 years. But new ...