Marks left by eight hominins hoofing along a lake show an alternative erectus or huge australopithecine. They're a rare example of social life – the question is whose social life

A set of footprints that date back more than 1.4 million years reveals our ancient relatives may have travelled in all-male gangs.

July 28 : Footprints left on a muddy lakeshore in northern Kenya around 1.43 million years ago are providing new insight into the size and behavior of a species in the human…