What is the science behind the smoke signals on the Sistine Chapel to announce if a new pope has been elected?

Cardinals returned to the Sistine Chapel on Thursday to resume voting for a new pope after the first conclave ballot failed ...

The smoke signal means the winner secured at least 89 votes of the 133 cardinals participating in the conclave to elect a ...

The Vatican News, the official communications outlet of the Vatican, posted on X on Wednesday that all nonessential personnel had left the Sistine Chapel so the cardinals could vote in private. The ...

Black smoke was seen wafting from a chimney on Thursday above the Sistine Chapel, signaling that the 133 Catholic cardinal ...

Pope Francis has been laid to rest, the conclave has been assembled and, after due deliberation by the participating cardinals, the world at last has seen white smoke wafting from the Sistine Chapel ...

(CN) — White smoke billowed Thursday evening from the chimney atop the Sistine Chapel in Rome, signaling Roman Catholic ...

White smoke has risen above the Sistine Chapel, the signal that cardinals have chosen a new pope on the second day of the ...

Some 133 cardinals of the Catholic Church are casting their votes for a successor to Pope Francis. Get to know the key ...