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 ...

But in 2014, NASA’s Terra satellite captured a near-perfect circle of clouds hovering above the Pacific Ocean. Spotted a few thousand kilometers southwest of Hawaii, this unusual ring floated ...

This striking satellite image reveals a giant, near-perfect cloud circle that formed in the heart of the Pacific Ocean more than a ... noticeable patterns in the sky. Open-cell clouds often ...

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.

In the skies over Champaign, Illinois, were wonky, wavelike clouds — reminiscent of the ocean. “It was a very ... in those layers into bizarre sky scenes. The warm mid-levels also supported ...