Like catching sight of a rainbow, seeing a butterfly feels like a special and fleeting privilege, a moment that triggers ...

Researcher Andy Davis created this graphic using images from ... The researchers also looked at white spots on closely related butterfly species that either don't migrate or only semi-migrate.

Monarch butterflies with larger white spots on their wings are more ... The researchers analysed images of more than 400 monarch wings in different stages of the insects’ fall migration from ...

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 ...

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 ...