Gallineau said she and her kids saw it on Sunday around 12:45 p.m. in Wendell Falls. This is called a 'circumhorizontal arc.' According to the International Cloud Atlas, this forms when the sun is ...

Patsy Yates Answer: You can't have an actual rainbow without rain, and it doesn't seem like you saw a "sun dog." (Those occur when the sun is low in the sky, early or late in the day.) We're left ...

People were quick to share pictures of the purple and pink sky on social media. Enjoy. Just saw the BIGGEST #rainbow 🌈 I’ve ever seen. I hope this means good luck 🍀 🤞 #boston pic ...

The multi-colored clouds are known as polar stratospheric clouds (PSCs) and look similar to auroras blazing in the sky. However, these rainbow clouds aren’t auroras as you might think.

The thunderstorm rolled across the sky, bringing lightning to the boroughs, but when the rainbow appeared, it took New Yorkers by surprise. One by one, people took out their phones and started to ...