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

A newly uncovered trove of ancient stone tools in northwest Kenya suggests early humans didn't use them sporadically but routinely over hundreds of thousands of years, at the very emergence of ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Four astronauts are on the verge of becoming the first humans to venture near the moon in more than half a century since NASA's ...