When it comes to color, mammals are hardly the most vibrant creatures of the animal kingdom. Their fur often comes in drab shades of brown, gray or black, unlike some birds, insects or fish that can ...

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 ...

A rarely seen cloud iridescence has appeared briefly above a small Wheatbelt town, delighting residents lucky enough to catch a glimpse of the colourful optical phenomenon. A cloud iridescence formed ...