Rieli Franciscato spent most of his career trying to protect indigenous tribes in the Amazon A top Brazilian expert on isolated Amazon tribes has been killed by an arrow that struck him in the ...

Members of the Mashco Piro, the world's largest isolated tribe according to the organization 'Survival International,' have ...

saying they would threaten the lives of indigenous Nicobarese and Shompen tribes that live on the 700 square-mile island. The Shompen are particularly isolated, having "little contact with the ...