Across the Ozarks, many people noticed an unusual sight in the sky on Tuesday. A partial rainbow near the sun. The optical ...

The atmospheric phenomenon, technically known as a circumhorizontal arc, only occurs at precise locations under specific conditions.

sundogs are most common around sunrise/sunset when the sun is closer to the horizon and also caused by light being refracted through ice crystals. However, unlike halos, sundogs appear as rainbow ...

Residents across County Durham have been left delighted after seeing a rare cloud phenomenon over the ... ice crystals refracting the sun's rays to give the rainbow effect and residents across ...