MILWAUKEE -- Maybe growing up, or still to this day, you wondered how we get rain. We all take this process for granted, and it happens constantly in our atmosphere. It all starts with tiny particles ...

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 ...

Hoof it through the national parks of the western United States—Joshua Tree, the Grand Canyon, Bryce Canyon—and breathe deep the pristine air. These are unspoiled lands, collectively a great American ...

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 ...

New research suggests that clouds affected by wildfire smoke hold more water droplets but are tiny and less likely drop as rain. Associated Press As heatwaves and wildfires continue to spread ...

It’s raining on Saturn. Each second, the planet’s rings shed perhaps thousands of pounds of water ice, organic molecules, and other tiny particles into the gas giant’s clouds. Now, scientists are ...

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 ...