Clouds need two essential ingredients to form, and both must be present simultaneously for the process to begin. There are two ingredients needed for clouds to form: water and nuclei. The first ...

Atmospheric aerosol particles are essential for the formation of clouds and precipitation, thereby influencing the Earth’s energy budget, water cycle and climate. However, the origin of aerosol ...

Water moves between pools through evaporation into water vapor, transport through the atmosphere, condensation to form clouds, and returns to the surface as precipitation. At its core, the water cycle ...

Recently, the rare scientific phenomenon received global attention after reports from Tehran in March 2026 indicated that residents observed ‘dark rai.