Why are some songbirds so brightly colored? A new study finds that a hidden layer of black and white feathers help their colors pop. Have you ever looked at a bird and wondered, how can it be so red ...

What makes a blue jay blue or a cardinal red? Color, a crucial element in nature, is most evident in the amazing hue and pattern variations in more than 10,000 bird species around the world. How birds ...

Somewhere over the rainbow 48 million years ago, a happy little blue bird flew—until it soared over a lake belching toxic gases and died. The lake’s sediments then entombed the bird’s body, ...

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