Rain can offer temporary relief from allergies by washing pollen from the air, but heavy rain can spur pollen release.

Atmospheric and climate scientists show that biological particles may induce rain events that could contribute to flooding and snowstorms, owing to their ability to precipitate ice formation in clouds ...

Incidents of “blood rain” during times of war usually evoke fear and many unfounded stories and speculations. This phenomenon ...

During the last several weeks, this column has discussed the impacts of wildfire smoke over Missouri, as well as how air pollution, both natural and manmade, can impact human health. While these ...

Blood rain meaning: "Blood rain," a phenomenon where rain appears red, is often misunderstood during wartime. This natural ...

This article originally appeared on The Conversation. Reports are emerging of black rain falling over parts of Iran in the hours after U.S.-Israeli airstrikes on oil depots on the weekend, with some ...

One of the most well-known examples occurred during the Gulf War, when hundreds of oil wells in Kuwait were deliberately set on fire. The burning wells released massive plumes of soot that spread ...

Clouds form upon existing particles in the atmosphere and extreme weather events like flooding and snowstorms are related to production of large amounts of ice in clouds. Biological particles like ...