There are 10 primary types of clouds on Earth. Here you can learn about what they're made of, how they form and how they are classified.

Published in the print edition of the June 9, 2025, issue. Garrett Hongo is the author of “ The Perfect Sound: A Memoir in Stereo ” and the poetry collection “Ocean of Clouds” (2025).

Steve Scafidi Jr. reads his poem “Portraits of Abraham Lincoln with Clouds for a Ceiling” at the Smithsonian’s National Portrait Gallery in Washington D.C.

In their new book, “Marshmallow Clouds: Two Poets at Play Among Figures of Speech,” Kooser and acclaimed fellow poet Connie Wanek offer 30 poems to inspire readers ages 10 and up to relish ...

Get a full tour of the science behind types of clouds and the meteorological explanations for the weather they bring.

Different types of clouds have different effects on a person’s viewing experience. When the moon completely covers the sun April 8, it will be the first total eclipse in North Texas since 1878.

Striking asperitas clouds roiled across the sky as the sun set behind a thunderstorm. We’ve seen a few great photos and videos of this type of cloud, but this is the best so far.

With all the wet weather across Southern California today, we certainly had a lot of cool clouds to look at throughout the day. Most notably, a funnel cloud that formed over the mountains! There ...

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 ...