Deep in southwestern Ethiopia, where the Omo River carves through ancient valleys, something irreversible is happening.

Spectacular new images of an uncontacted indigenous village in Brazil are stirring pleas from tribal leaders and rights advocates for government intervention to protect the settlement from illegal ...

The state and Congress call them a tribe. But the Lumbees don’t have official federal recognition, which means the tribe is losing out on federal dollars. “There are set asides for only tribes. We are ...