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 ...

These are gravity wave clouds -- a fascinating weather phenomenon that can form under specific conditions. Let's raise your ...

The area near clouds is often classified as ‘clear sky’, but a new study demonstrates the potential biases of misclassifying ...

“Even though the sun has set in Gale Crater, the clouds are high enough in the atmosphere that the sun still shines on them, making them seem to almost glow in the sky,” wrote Alex ...

Who needs drones and aliens when you can have this in the sky,' added ... similar 'spaceship' cloud appearing in Sydney. The bizarre natural phenomenon formed over the ocean in Cronulla, in ...

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.