Cleaner air is making marine clouds dimmer and oceans warmer, revealing a climate trade-off called the "clean air paradox." ...

Winter is setting in across the Northern Hemisphere, and with it, cold and cloudy winter days. Clouds play a vital role in the environment, providing rain but also reflecting sunlight before it ...

Clouds shade Earth from the sun and clouds containing aerosols do so even more effectively than those without. A new study from the University of Washington describes how clouds have lost reflectivity ...

NEW DELHI — Indian authorities on Tuesday carried out a cloud-seeding experiment over smog-choked New Delhi in an attempt to induce rainfall and clear the city’s toxic air, which has sparked anger ...