The monarch butterfly was added to the IUCN Red List as "now endangered" last month — for many reasons. The insect is eaten as an egg, caterpillar, chrysalis, or bright orange and black colored ...

Monarch butterflies with more white spots on their mostly orange-and-black wings are more successful at long-distance migration. Some scientists think the spots may affect airflow around their wings.

OGDEN, Utah (AP) — A series of murals depicting the life cycle of a monarch butterfly is taking shape in Ogden. The nationwide Migrating Mural project is the brainchild of artist Jane Kim and ...

As David Ono's daughter Kaia demonstrates, anyone can play a role in protecting the monarch butterfly, a majestic but diminishing species that migrates through California.