Walking on two legs has long been considered a milestone in human evolution and one of our most defining characteristics.

Add Yahoo as a preferred source to see more of our stories on Google. It can seem of late that the experiment in evolution we call Homo sapiens has gone horribly wrong, notwithstanding my ability to ...

Trace the remarkable origin story of Homo sapiens and the crucial moments that shaped our species. Where did humans come from, and what makes us unique? Discover the remarkable origins of Homo sapiens ...