As the conclave gets underway, all eyes turn to the small chimney atop the Sistine Chapel. From this simple metal tube will emerge the long-awaited white smoke that will announce the election of the ...

Listen to more stories on the Noa app. For 49 straight days, everyone in Seeley Lake was breathing smoke. A wildfire had ignited outside the small rural community in Montana, and the plume of smoke ...

(CNN) — This summer will be remembered for being shrouded in a choking haze as wildfire smoke from Canada poured south into the United States and was seen as far east as Northern Europe. The smoke ...

ROME, VATICAN - MARCH 13: Black smoke rises fron the chimney of the Sistine Chapel on March 13, 2013 in the morning of the second day of the conclave. (Photo by Guido MARZILLA/Gamma-Rapho via Getty ...

As massive wildfires burn in California and Oregon, the air has been filled with so much smoke that air quality ratings in some places have literally gone off the charts. The EPA’s Air Quality Index, ...