A newly published study has found that males of some of our earliest known ancestors were significantly larger than females. The pronounced difference in body size present in both Australopithecus ...

I first heard about the genre of “size comparison” videos on YouTube from this article in the New York Times, written by a mom whose seven-year-old son had become obsessed with them. He’s at a ...

Did the 12th century B.C.E. - a time when humans were forging great empires and developing new forms of written text - coincide with an evolutionary reduction in brain size? Think again, says a ...