The spiritual leader of Tibet has published amply but seldom written in depth about politics. Now, as he approaches 90, he shares a detailed and personal account of his decades dealing with China.

National Geographic Explorer Paul Salopek began his continent-spanning walk in Ethiopia in January 2013. Since then, his Out ...

The president who built his fan base on isolationism is pivoting to a kind of imperialism that the U.S. hasn’t seen in decades.