Scientists reconstructed 500 million years of evolutionary history to reveal which came first: colorful signals or the color ...

animals' color is inextricably intertwined with their environment, be it the bright birds of the rainforest or the dull silver fish of the deep sea. And the complex and diverse tropical ecosystem ...

A first-ever collaboration between the National Gallery of Art and the Smithsonian examines the birth of natural history.

Scientists discovered two Mediterranean beetle species that can see red color, unlike almost all other insects.

Discover why 96 million Americans are turning to birdwatching and how you can easily get started in your own backyard with ...

From the beautiful to the bizarre, this annual photographic showcase shines a light on some of our planet’s most breathtaking ...

The research maps biofluorescence across 459 glowing fish species and shows just how varied the colors have become.

Animal studies also have found that dyes such as Red 3 cause cancer in rats, though human implications continue to be researched (Red dye No. 40: Health risks of common food dyes).

The photo of a courageous mother lemur with a baby on her back, taking a harrowing jump in a ravine, won the California ...

The saguaro cactus is the iconic plant of the Arizona borderlands, and in June and early July, its fruit ripens. For the ...

Putting the well-being of animals first should be every photographer’s goal. National Geographic photographers share tips on how they do it.