This story appears in the November 2010 issue of National Geographic magazine. Not long ago in Juba, in an old colonial building with cracked walls and fitful electricity, two former military men ...

(CNN)-- This Sunday, more than 3 million people in Southern Sudan are expected to vote in a referendum to create a nation in Eastern Africa. As they do, there is a historic opportunity, perhaps ...

The remarkable story of Sudan, the very last male northern white rhino on the planet.

The rhino and the people who tried to save his species taught one photographer indelible lessons. Joseph Wachira, a keeper at the Ol Pejeta Conservancy in Kenya, says goodbye to Sudan, the last ...