But few are fortunate enough to see Kelvin-Helmholtz clouds, which look like a pattern of ocean waves in the sky. Kelvin-Helmholtz clouds, also known as fluctus clouds, is a rare phenomenon that's ...

Meteorologist Kaitlyn Jesmonth was getting ready for work when she happened to glance out her window. In the skies over ...

In Washington, the eastern parts of the state may provide the best views of tonight's lunar eclipse. See expected cloud cover percentages for the nation.

TAKAHASHI, Okayama Prefecture--A university lab is providing artificial intelligence-based probabilities on whether a sea of clouds will form around the “mountain castle in the sky” here.

A woman in Calgary, Alberta, Canada, saw a strange, wavy cloud in the sky on Feb. 22, 2025, and took to X, formerly known as Twitter, to crowdsource an answer. "Does anyone know what is happening here ...