Precipitation comes in all forms: rain, sleet, freezing rain, and snow. Some even count virga, which becomes a gas and evaporates before it reaches us as raindrops. Hail also exists but forms ...

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

There are four main precipitation types, and the Philadelphia area can and does receive all types, sometimes all within a single storm. The four types of precipitation are rain, snow, sleet and ...

Scientists have warned about a new kind of acid rain that is everywhere, is almost impossible to clean up, and could be a threat to every living thing on planet Earth. Trifluoroacetic acid (TFA) – a ...

In research that could improve weather forecasting and winter driving safety, a University of Michigan-led study distinguished nine distinct precipitation types—varieties of rain, snow and mixed-phase ...