Getting your Trinity Audio player ready... Engineered mutant butterflies give a glimpse deep into the genetic roots of wing patterns, an international team reported Monday in the Proceedings of the ...

A newly published study of California’s overwintering monarch butterflies confirmed many previous migratory studies. But the findings also showed some unexpected and surprising patterns of movement, ...

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, with a ...

The wings of monarchs that survive a 2,000-mile-long migration tend to be spottier, suggesting that feature may aid the insects’ ability to fly. By Kate Golembiewski Every fall, monarch butterflies ...

Newly published UC Davis research analyzing modern-day and museum collections of monarch butterflies over a 200-year period indicate that the loss of migration and range expansion leads to smaller and ...

PULLMAN, Wash. -- A count of the Western Monarch butterfly population last winter saw a staggering drop in numbers, but there are hopeful signs the beautiful pollinators are adapting to a changing ...

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 complete ...