Across the western U.S., wildfires and the dangerous smoke that results have increased in frequency and intensity since the ...

New measurements demonstrate that smoke particles in the upper atmosphere are twice the size of lower-altitude ones.

Some wildfires are so intense, they create their own weather—thunderstorms driven by heat that hurtle smoke as high as 10 ...

Air quality alerts have been issued for states across the Northeast. Hazy and dangerous fumes from ongoing wildfires in Canada have engulfed the skies over much of the East Coast, prompting serious ...

New research from the University of Vermont reveals exposure to smoke from Canadian wildfires in the summer of 2023 led to ...

Most people know secondhand smoke is harmful—but thirdhand smoke? That's the toxic residue tobacco leaves behind on surfaces like carpets, furniture, wallboards, and clothing, where it can linger for ...

“Mind if I smoke?” is an old refrain from the days when smoking was a ubiquitous habit and people frequently puffed on cigarettes in offices, on airplanes and at restaurants. Big Tobacco pushed the ...

Smoking directly is worse than secondhand smoke. However, both types can still cause damage to your cardiovascular and respiratory health. Firsthand smoking and secondhand smoke both cause serious ...

A smoke alarm in a construction area on Level 5 in the Denver International Airport main terminal, around 11:16 a.m. Wednesday, prompted a precautionary shutdown of access to passenger trains ...

The number one cause of death related to fires is smoke inhalation. Smoke inhalation occurs when you breathe in the heated particles and gases produced by fire. Different fires produce a different ...

Though tobacco use is declining among adults in the U.S., cannabis use is increasing. Laws and policies regulating the use of tobacco and cannabis are also moving in different directions. Tobacco ...