While most clouds have wispy edges, mammatus lobes, usually only stable for a few minutes, form well-established boundaries that result in the dense, rounded shapes seen over Saskatchewan on June 26.

Storms are used to set an ominous tone in spooky stories, even as they bring much-needed relief to parched fields or ...

A post shared by 大晴 (@yuching330) on Aug 29, 2017 at 6:43pm PDT These adorable drinks have created a frenzy with their cloud-shaped patterns and bright colours.

The bubbles that form when water freezes tend to take on a bubble shape or an elongated needle shape, both of which are strewn through ice chunks. The researchers examined how these bubble shapes form ...