In animals, colors are produced either by pigments or by tiny, light-scattering nanostructures. While an impressive range of pigments exists in living organisms, these are ultimately limited by ...

BUFFALO, N.Y. — With so many types of clouds in the sky, some are a little more unique than others. And sometimes, clouds can even shine like a rainbow! Here's why that happens. Over the weekend Storm ...

FARGO — Sometimes, you may look up to the sky and see a rainbow in a cloud, but there is no rain around. Likely what you are seeing is a type of atmospheric optical phenomenon known as cloud ...

A rainbow-soaked cloud that appeared over Tasmanian skies this week has wowed some social media users and confused others, with many left wondering what it is and whether it is even real. A photo of a ...

A new study published today in Animal Behaviour shows for the first time that brilliant iridescence and gloss found in some animals can have a protective function by working as a form of deceptive ...

You look up to the sky and see rainbows in the clouds. However, there is no rain to be seen. What are these rainbows, and what causes them to become visible? Meteorologist Mitchel Coombs uses 3D ...