Monarch butterflies have distinctive orange-and-black wings with small white spots. And it's those spots that recently caught the attention of a group of scientists. As NPR's Nell Greenfieldboyce ...

going through photographs of 400 monarch butterflies and measuring the amount of black and white on the edges of their wings. “I had to keep giving her encouragement because it sounded so stupid ...

Butterflies are beautiful creatures that typically have magnificent coloring and are associated with sunshine, flowers, ...

The team determined that the butterflies who survived the migration to Mexico tended to have 3 percent less black pigment on their wings and 3 percent more white pigment, a surprising contrast ...

Monarch butterflies with larger white spots on their wings are more successful at migrating long distances. It is unclear how these spots help the butterflies, but it is possible they create ...

Learn how to attract and identify a painted lady butterfly and caterpillar. Find out what they eat and what host plants you ...

would be named state butterfly under House Bill 4159. Common in North America, the black swallowtail is easily identified by its black, three-to-four-inch diameter wings with yellow, blue and ...

House Bill 4159, introduced by several representatives, would designate the black swallowtail ... department, the butterfly has two rows of pale yellow spots on its front wings, and hind wings ...

Think of a monarch butterfly, and a distinctive image pops up: black-and-orange wings, with a sprinkling of white spots around the black edges. Those white spots may actually help monarchs ...

The white spots on a monarch butterfly's wings may help it migrate, according to a new study. (Pat Davis) Think of a monarch butterfly, and a distinctive image pops up: black-and-orange wings ...

The white spots on the edges of a monarch butterfly's wings might give it an advantage while migrating, according to new research. Sanka Vidanagama / NurPhoto via Getty Images For a migrating ...