NBC Washington's Chopper4 captured footage of this circular rainbow on Friday. Generally we see an arc, not a circle. What's different about this rainbow? To start, Meteorologist Bob Henson of Weather ...

It’s not often you come across a full circle rainbow, but crew on-board a police helicopter were lucky enough to get an up close and personal view. The St Athan-based National Police Air Service (NPAS ...

A helicopter crew in Hawaii was able to see a rare phenomenon Tuesday: a circular rainbow. The field crew from the Department of Land and Natural Resources Division of Forestry and Wildlife chased a ...

In theory, every rainbow is actually a full circle. The central point of a rainbow is opposite the sun’s position in the sky. More of the rainbow’s circle becomes visible as the sun approaches the ...