New research suggests that the evolution of the human brain may explain why autism is more common in humans than in other ...

A paper in Molecular Biology and Evolution finds that the relatively high rate of autism-spectrum disorders in humans is ...

The pelvis is often called the keystone of upright locomotion. More than any other part of our lower body, it has been radically altered over millions of years to allow us to accomplish our bizarre ...

Denisovans were first discovered as another relation to modern humans in 2010—It turns out they might be our closest relative ...

Newly discovered fossils in Ethiopia show that Homo coexisted with Australopithecus 2.6 million years ago, rewriting the timeline of human evolution. Far from a straight line, early human history was ...

Fossilized teeth show that two different kinds of ancient human ancestors coexisted more than 2 million years ago. One of ...

Recent fossil discoveries lend credence to the fascinating proposition that non-human species may have coexisted alongside our early human forebears. These unearthed remnants provide a glimpse into ...

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 ...

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 ...

F or the past century and a half, the concept of evolution has primarily been wielded by those describing change of a purely ...

The human gastrointestinal tract is in a constant state of flux; it hosts a diverse and dynamic community of microbes known as the gut microbiome, and is constantly exposed to things in the ...