Saliva is a bodily fluid most of us take for granted despite the significant roles it plays: aiding in digestion, maintaining ...

Without this mass extinction, humans and other mammals might never have dominated the planet. The asteroid impact reshaped ...

The story of how us humans—and other mammals—got our noses may have just gotten more complicated. This is the conclusion of a new study by researchers from Japan who have studied how the face develops ...

This very lifestyle, of standing and walking on two legs unlike some of our primate predecessors, may have been key to supercharging the survival and reproductive advantage of our ancestral species.

Smithsonian paleoanthropologists explore how the year brought us closer to understanding ancient human relatives and origins Ryan McRae and Briana Pobiner A young chimpanzee looks on during an outing ...

"If this trend continues, a majority of people will have median artery of the forearm by 2100," said Lucas. This rapid rise of the median artery in adults isn't unlike the reappearance of a knee bone ...

The human body is a machine whose many parts – from the microscopic details of our cells to our limbs, eyes, liver and brain – have been assembled in fits and starts over the four billion years of our ...

A paper in Molecular Biology and Evolution finds that the relatively high rate of autism-spectrum disorders in humans is likely due to how humans evolved in the past. The paper is titled "A general ...

% of adults who say humans evolved due to natural processes who are… Share Save Image Sample sizes and margins of error vary from subgroup to subgroup, from year to ...