In the papal conclave to elect a new pope, here's a look at what the color of smoke (black or white) means after each vote.

Here's how the conclave creates black and white smoke and why the Catholic Church began using them to signal whether a new pope has been elected.

Sebastião Salgado, renowned for his striking black-and-white photography that chronicles the human condition, environmental crises and the fragile beauty of our planet with epic depth and poetic ...