A 'fire rainbow' in the sky enthralled Newburyport, Massachusetts, residents on June 2, 2024. The phenomenon is known technically as a "circumhorizontal arc" and is created by sunlight reflecting off ...

You may have seen what looked like an upside-down rainbow in the sky over the weekend. Tereza Gallineau sent us this incredible picture. Other WRAL Top Stories Photo of a circumhorizontal arc taken by ...

While it does not happen every day, it is a well-known occurrence. The phenomenon spotted is known as a circumhorizontal arc, and they occur on sunny days when there are cirrus clouds present. Cirrus ...

Seeing a rainbow in the sky is one of those natural wonders that always amazes us no matter how many times it happens. The combination of vivid colors and its timing right after a downpour always ...

Noon, Saturday 3 June. Over the fields of northern Idaho, a rare and beautiful sight could be seen. Known as a circumhorizontal arc, it forms as sunlight is refracted through hexagonal ice crystals in ...