Africa

The papal trip to Africa was a first for Francis, but the Argentine-born pontiff felt very much at home. NPR's Sylvia Poggioli reflects on her experiences, and the Pope's, during the historic visit.

It typically causes fever and joint pain. A new study looks at a possible link to encephalitis, a brain infection.

Millions of South Sudanese have been displaced by two years of civil conflict. They've lost touch with family. Now they have a rare chance to call home.