At any given time, about two-thirds of Earth's surface is covered by clouds. Overall, they make the planet much cooler than it would be without them. Subscribe to our newsletter for the latest ...

(NEWSER) – The clouds are shifting, and a new study suggests that's a worrisome thing for the planet. Satellite images collected between 1983 and 2009 show two trends: Clouds have been migrating away ...

The clouds over the Bay Area have been spectacular in recent days with vaporous masses of condensed moisture creating poetry overhead. In San Francisco, we're used to looking up and seeing either blue ...

Global shipping rules that quietly cleaned up one of the world’s dirtiest fuels are now reshaping the clouds that hang over the Atlantic. By stripping sulfur out of marine fuel, regulators have ...