This happens when clouds are thin and made of similar-sized water droplets. — -- Stunning video captured a rainbow in the clouds over Ribeirao Claro, Brazil, in a meteorological phenomenon known ...

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 ...

The dazzling spectacle unfolded in a matter of minutes, but its short-lived appearance has left an indelible mark on those lucky enough to witness it. Jenni Shaw, who was at her family-owned business ...

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 ...