Animals come in all sorts of colors, and while the animal kingdom has most of the rainbow’s colors at its disposal, there are a few exceptions. Some animals, for example, may appear blue at first ...

Peacocks, panther chameleons, scarlet macaws, clown fish, toucans, blue-ringed octopuses, and so many more: The animal kingdom has countless denizens with extraordinarily colorful beauty. But in many ...

Blue blood may look alien, but it’s one of evolution’s most elegant solutions to life in extreme environments. Here’s how ...

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, ...

Bold hues of red, orange, yellow, blue and purple help plants and animals communicate with their own species and others in their efforts to survive. Vivid orange dart frogs warn predators of their ...

Between the sky and sea, nature appears to favor blue, as do we humans. Yet the color is rare in nature—especially not in “a blue-violet hue resembling the color of electrical sparks,” which is how a ...

SEASIDE, Ore. — Visitors at the Oregon Coast in recent weeks have spotted something unusual along some stretches of the beach: large clusters of small, blue-tinted creatures that look sort of like ...

Colors in nature can be produced by both pigments that absorb some light and microscopic structures that change the wavelength of light. Juraj Polak / Getty Images To the untrained eye, most fossils ...