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.

After every round of voting during a conclave, the ballots are burned with chemicals in a process that enables the cardinals in the Sistine Chapel to communicate with the outside world. Ballots from ...

But what if they're not? Should you be worried if you notice what looks like smoke? What should you do? The answers to these questions differ depending on the type of emissions you see.

Since 1914, white smoke has indicated the election of a new pope. A stereotypical association of the colour of the smoke – ...

A Bend homeowner's attempt to use a smoke bomb to drive rock chucks out from under his house didn't go too well Wednesday ...

The town has gone smoke-free with a new ordinance that prohibits smoking cigarettes or marijuana and using vapes on town property.

For black smoke, the Vatican uses a mixture of potassium perchlorate, anthracene, and sulphur. The white smoke used to signal ...