PASADENA, Calif.—A team of scientists led by researchers from the California Institute of Technology (Caltech) and NASA's Jet Propulsion Laboratory (JPL) have fully characterized a key chemical ...

Understanding this chemical reaction, which involves water vapor and nitrogen dioxide, could help reduce the smog that clogs the air in cities from Los Angeles to Beijing, scientists have said. This ...

Ozone that protects us from the sun's harmful UV rays, when in an indoor space, reacts with oils present on skin, wall paint, or even cooking oil to produce chemicals that negatively impact ...

When it comes to air pollution, what goes on at night can be just as important as what happens during the day, say National Oceanic and Atmospheric Administration (NOAA) scientists and their ...

Towering clouds of smoke sent into the stratosphere by ferocious wildfires can eat away at Earth’s ozone layer thanks to a potent mix of smoke, atmospheric chemistry and ultraviolet light, a new study ...

Personal care products like deodorant and lotion contain volatile organic compounds (VOCs) that add fragrance or texture—and these can be emitted into the air. Now, research suggests that in densely ...

In the stratosphere, ozone acts as a protective layer. But in the troposphere, at ground level, this colorless gas is incredibly harmful to human health and the environment in ways scientists are ...