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 ...

Microplastics are spreading far beyond oceans, accumulating in forest soils after falling from the air, raising new concerns.

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London. Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and ...

Black Rain is a rare and devastating atmospheric phenomenon which is characterized by dark-colored rain often associated with ...

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 ...

This rain would include acids but also likely many other pollutants harmful to humans and the environment. It may be worse ...

Black acid rain formed after oil depot fires in Tehran may expose millions to acidic aerosols, soot, and toxic pollutants ...

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 ...