Japanese researchers turned to “experimental archaeology” to study how ancient humans navigated powerful ocean currents and migrated offshore.

Africa’s Great Migration sees millions of wildebeest and zebra thunder across the sun-bleached savannah, drawn by instinct to cross crocodile-infested rivers where predators lie in wait. But beyond ...

The Darién Gap, a perilous journey for millions of migrants, has also become a corridor for the northward spread of the New ...