Pink spring beauties are ephemerals that sustained the earliest Americans, and selection pressure may hold the clue to color variation Pink or Rocky Mountain spring beauties, Claytonia rosea, were ...

Many factors can contribute to geographic color variation, including natural selection, sexual selection, and genetic drift. In squamates, phenotypic plasticity can also play an important role in ...

Lingering question: Do variations in scent correspond to variations in color? Spring weather in Boulder is difficult to predict because it seems that it is not a time of gradual warming but rather ...

Composite images of Saturn’s rings, taken by NASA’s Hubble Space Telescope, have revealed mysterious color variations that hint that the rings could be made of materials from the outer solar system.

When viewed in enhanced color, the icy, outer world of Pluto looks very different from its more uniform, subdued hues. The hilly plains in Pluto's heart-shaped area are mostly uniform, as a flat ...

One of the curious things in the world of birds is why most species come in only one color form, while others come in many. We can start with the western tanager. Adult males all look the same. Adult ...

Flower colour variation is a fundamental trait in angiosperms, serving not only to enhance the visual appeal of flowers but also to mediate interactions with a wide range of pollinators. The diversity ...