But few are fortunate enough to see Kelvin-Helmholtz clouds, which look like a pattern of ocean waves in the sky. Kelvin-Helmholtz ... Vincent Van Gogh's painting Starry Night.

The Dutch master Vincent van Gogh may have painted one of Western history's most enduring works, but "The Starry Night" is ...

But some cycles are visible — at least in part. On a warm, blue-sky day, I found myself gazing up at condensing water in the sky in the shape of white, puffy clouds. Even among the most ...

It is found in the whirls in the atmosphere that make a plane ride bumpy, the eddies that churn the ocean, the chaotic churning of gas clouds that ... found that “The Starry Night” was ...