When you look up at the blue sky overhead or gaze across the seemingly endless expanse of a blue ocean, you might think that the color blue is common in nature. But among all the hues found in rocks, ...

Most gardeners have some favorite flower colors they gravitate towards. Some like pink, some like red, and others like white or yellow. Blue is often a favorite color, partly because it seems to be ...

One of the most unusual sights in the world is a glacier. Glaciers are found in mountain locations and in the coldest regions on earth. They are often a surprising and beautiful blue color. But snow ...

Every other Friday on Morning Edition, the Outside/In team answers a question from a listener about the natural world. For the past few weeks, we’ve been tackling queries on the theme of “blue.” What ...

The color has an unshakable hold on musicians, artists and writers. The background color is inspired by International Klein Blue, a hue that the artist Yves Klein first mixed in the 1950s, using it to ...

A 13,000‑year‑old tool from a cave in central Germany has turned out to be far more than a simple piece of Paleolithic gear.