Global migration routes reveal the scale and complexity of movement across continents, with millions fleeing poverty, ...

A map created by Newsweek highlights the states facing the biggest challenge and illustrates why the U.S.-Mexico border in particular is such a contentious issue. The debate surrounding migration ...

In Sub-Saharan Africa, intra-regional emigration is close to 70 percent of all emigration, which represents the largest South-South movement of people in the world. Economic migration is driven by ...

Here's how early humans spread from East Africa all around the world. Produced by Alex Kuzoian Follow BI Video: On Facebook More from Science It's tough to know what happened on Earth thousands of ...