Walking on two legs has long been considered a milestone in human evolution and one of our most defining characteristics. Until now, researchers assumed that the first humans originated in Africa and ...

A new study in Science challenges the Monte Verde timeline, reshaping when humans first reached South America.

Debate has long surrounded when humans first traveled into Sahul, the ancient landmass that is now Australia, New Guinea and Tasmania. Now, a study published in Science Advances, lends credence to the ...