The evolution of the human species is marked by an increase in brain size. Now new research suggests that could be partly dependent on increases in prenatal estrogen—revealed by looking at the length ...

More than a decade after the first Neanderthal genome was sequenced, scientists are still working to understand how human-specific DNA changes shaped human evolution. It's just over a decade since ...

Fossils unearthed in Ethiopia are reshaping our view of human evolution. Instead of a straight march from ape-like ancestors to modern humans, researchers now see a tangled, branching tree with ...

In the deserts of Ethiopia, scientists uncovered fossils showing that early members of our genus Homo lived side by side with a newly identified species of Australopithecus nearly three million years ...

A new study is shedding light on an important connection between human evolution and cancer. It reveals that some of the very genes that helped make our brains smarter are also being misused by cancer ...