Wildfire season can change daily life quickly in Clark County, where residents may face smoky skies, reduced air quality and the possibility of evacuation during periods of elevated wildfire activity.

O2 sensors help gauge whether the engine is running with too much fuel or air. Here's how much you can expect to pay when ...

New research suggests that low oxygen levels may help alleviate disease caused by defects in mitochondrial quality control.

CBP's elite team reveals how cartels use 32 storm drain tunnel entry points from the Rio Grande to smuggle migrants ...

Pregnancy puts higher oxygen demand on the body, so expectant mothers breathe significantly more air over the course of a day ...

The orange haze hanging over your house is, indeed, bad. But the chemistry of wildfire smoke doesn’t have to be visible to be ...

A leaf-eared mouse living more than 6,700 meters (22,000 feet) above sea level in the Andes has shattered assumptions about ...

Mikel Merino can smell and see the smoke from the Canadian wildfires that are making for hazy conditions across large parts of the U.S., including northern New Jersey where he and Spain are set to ...

We tested 50 air purifiers to find the best for removing dust, pollen, pet dander, smoke, and odors, with picks for bedrooms, ...

SR-71 Blackbird crews were more like astronauts than fighter pilots, donning pressure suits, eating special meals, and ...

Millions of Americans and Canadians are breathing bad air right now due to wildfire smoke. Here’s what you need to know masks ...

The air pollution cocktail that expectant mothers often breathe in Utah is associated with more preterm births, University of ...