Researchers report the first iberulite fall north of 42 degrees latitude, using detailed meteorological data from a February ...

Commonly comprised of dirt, pollen, skin cells, insects, pet dander, mold spores, bacteria, mycotoxins, dust mites, their refuse, and other such flotsam and jetsam, the buildup of indoor and outdoor ...

A new study shows that natural dust particles swirling in from faraway deserts can trigger freezing of clouds in Earth's Northern Hemisphere. This subtle mechanism influences how much sunlight clouds ...

Billowing clouds of the stuff struck a severe blow to the American heartland during the 1930s, ruining wheat crops and forcing farming families to flee westward. Apollo astronauts tracked it into the ...

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Particle pollution, also known as particulate matter or PM, is a general term for a mixture of solid and liquid droplets ...