Mass migrations of humans often occur do to negative pressures such as environmental crises, overpopulation, or war. Some of the largest mass migrations in history have taken place within the lifetime ...

Human evolution’s biggest mystery, which emerged 15 years ago from a 60,000-year-old pinkie finger bone, finally started to ...

Four men have been charged with operating a criminal organization that allegedly smuggled thousands of people without legal status from Guatemala to the U.S. over five years, federal authorities ...

The largest animals do not have proportionally bigger brains -- with humans bucking this trend -- a new study has revealed. The largest animals do not have proportionally bigger brains -- with humans ...