VATICAN CITY – All eyes are on the Sistine Chapel and a chimney installed on the roof that will produce smoke signals at the selection of a pope. Steeped in Catholic tradition, smoke has been used ...

When wildfires rage across the landscape, whether on grasslands or in forests, the massive plumes of smoke that rise into the air and travel for miles can carry more than a thousand different types of ...

The New York Times recently highlighted how wildfire smoke impacts health, but its coverage missed the mark by not addressing the nuanced science behind particulate matter. As researchers dive into ...

The following submission has been lightly edited. No other preventable health threat in America causes as many serious illnesses as smoking, according to public health research. It is within our power ...

A wool sweater exposed to thirdhand smoke is suspended within a custom-built Teflon film chamber for controlled ozone oxidation experiments. News organizations may use or redistribute this image, with ...

Imagine a mighty volcano casually blowing flawless smoke rings into the sky, as if showing off a party trick on a colossal scale. These mesmerising volcanic vortex rings look just like the ones expert ...