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 ...

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 ...

With its vivid orange wings, black outline and white dots, the monarch butterfly is one of the most ... Monarchs making that long cross-border journey in the fall can live several months.

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

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 ...