When the chimney atop the Sistine Chapel spouts white smoke, it means that the Catholic Church officially has a new pope.

When the cardinals are gathered in conclave, the world scrutinizes the color of the smoke that comes out of the Sistine ...

Choosing a new pope is a very secretive thing but some details of the process are known, and coloured smoke is used to ...

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.