An unusual atmospheric phenomenon known as a circumhorizontal arc, or "fire rainbow," was spotted in southern Ohio, caused by ...

Check out this beautiful photo of nacreous clouds, also known as rainbow clouds, from southern Indiana. Here's how the ...

The sky is always changing colors—from a bright blue on a clear day, to red and orange sunrises or sunsets, or multiple ...

According to experts, the eye-catching weather phenomenon, also known as cloud iridescence, is relatively rare, but one was ...

In this photo gallery see supercells descend in the Midwest, clouds roll over glassy water, and a storm in the mountains crescendos with a spectacular rainbow.