“While the human penis functions primarily to transfer sperm, our result suggests its unusual large size evolved as a sexual ornament to attract females rather than purely as a badge of status to ...

Homo heidelbergensis lived hundreds of thousands of years ago during a critical phase of human evolution. Fossil evidence ...

Scientists believe they have uncovered the 'missing link' in human evolution, showing how our species may have evolved.

Gut Microbes may have helped fuel the evolution of large human brains, shaping brain metabolism and gene activity, new ...

A pioneering study provides new evidence that gut microbes vary across primate species and can shape physiology in ways associated with differences in brain size and cognitive function A new study sug ...

A new study from Northwestern University is reshaping how scientists think about brain evolution. The research suggests that ...

A new study from Northwestern University provides the first empirical data showing the direct role the gut microbiome plays in shaping differences in the way the brain functions across different ...

The human brain is a fascinating and complex organ that supports numerous sophisticated behaviors and abilities that are observed in no other animal species. For centuries, scientists have been trying ...

The skull had the brow of a descendant but the face of an ancestor. When researchers finished reconstructing the DAN5/P1 cranium from Ethiopia’s Afar region, dated to between 1.6 and 1.5 million years ...

The human brain has 86 billion neurons connected by roughly 100 trillion synapses, making it one of the most complex objects in the known universe. Each year neuroscientists make fascinating, ...