By Claudia Steiner The monarch butterfly (Danaus plexippus) population has plummeted by 80% to 95% since the 1990s, depending ...

Whether you’re a butterfly fanatic or simply interested in nature, the monarch butterfly is worth a study. Beautiful and serene, monarch butterflies have a unique lifespan. But how long do monarch ...

Professor Elizabeth Crone, Department of Evolution and Ecology, checks a non-native milkweed in the San Francisco Bay Area for monarch butterfly eggs and caterpillars. Known for long-distance ...

As millions of monarch butterflies make their way from Canada to Mexico this fall, you’ll have the chance to see some of these spectacular insects along the Alabama coast. Several groups in Baldwin ...

The flapping wings of millions of monarch butterflies at the Monarch Butterfly Biosphere Reserve in Michoacán, Mexico, create a fluttering sound that Alfonso Alonso describes as “magical.” The ...

The monarch butterfly, Texas' official state insect, is in the middle of its 2,200 mile migration from Canada to Mexico — and you may be just in time to witness the remarkable journey. When is peak ...

Every fall, an incredible migration occurs through the state of Indiana, where millions of tiny monarch butterflies fly on their way to overwintering grounds in Mexico, only to return in the spring to ...