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 ...

Clouds form when water vapor—an invisible gas in the atmosphere—sticks to tiny floating particles, such as dust, and turns into liquid water droplets or ice crystals. In a newly published study, we ...

It all begins on the surface of the earth which is in the rivers, in the lakes, in the seas, even in damp soil. When the sun heats water, the water slowly converts to an invisible gas, known as water ...

A study led by the EPFL suggests that shipping emissions influence climate-relevant cloud formation and may affect regional ...

Houston's cloud mystery explained.

Forming 50 miles above Earth's surface, noctilucent clouds offer a rare glimpse into one of the least-understood layers of ...

Have you ever wondered how a cloud stays in the sky? In a recent conversation with my friend and colleague Alan Sealls, the AMS President-Elect told me that he pondered this very question, and it ...

Add Yahoo as a preferred source to see more of our stories on Google. With Michigan's changeable weather, residents get to see a lot of different cloud formations — fluffy cumulus, wispy cirrus and ...

For nearly 50 years, scientists have suspected that microscopic marine plankton play a role in cloud formation over the oceans. Now, an experiment led by the University of Helsinki suggests that it ...