The Vatican announced the election of Pope Leo XIV shortly after white smoke blew from the roof of the Sistine Chapel on ...

A mysterious, dark smoke ring was seen over Kansas on Monday, but scientists say smoke rings like this are usually man-made.

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.

Thick plumes of black smoke appeared from a chimney on top of the Sistine Chapel at 11:51 a.m. to indicate no winner emerged ...

Crowds in St. Peter's Square witnessed black smoke pouring out of the Sistine Chapel chimney on Wednesday night, signaling that the cardinals at the conclave had not been able to elect a new pope.

Black smoke poured out of the Sistine Chapel chimney Wednesday evening, indicating that no pope was elected on the conclave's 1st ballot.

During a Papal Conclave, the world will be watching for white or black smoke from the Vatican's chimney. Here's what it means ...