Where do birds get their red feathers from? According to a new article, the red carotenoids that give the common crossbill its red coloration are produced in the liver, not the skin, as previously ...

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In modern birds, black, brown, and some reddish-brown colors are produced by tiny granules of the pigment melanin. These features — called melanosomes — are preserved in many fossil feathers, and ...

A powerful X-ray machine, that shines a light brighter than the sun, has helped science detectives determine the color of a 150-million-year-old feather that once belonged to an archaeopteryx, an ...

Dinosaur books have become more colourful affairs of late, with the dull greens, browns and greys of yesteryear replaced by vivid hues, stripes and patterns. This has largely been a question of ...

Vinther figured there was no reason pigment grains and melanosomes wouldn't survive in other fossilized creatures. He took a closer look at the suspicious dark smudges in an extinct bird fossil and ...

Some birds are iridescent because of the physical make-up of their feathers, but scientists had never found evidence of this structural color in the group of birds containing ostriches and cassowaries ...

Another week, another colorful feathered dinosaur. Hot on the heels of a recent report identifying pigments in fossilized dino feathers and filaments (SN Online: 1/27/10), a different team of ...