After conservation groups took legal action on behalf of monarch butterflies, the Trump administration decided to delay a ...

Explore the awe-inspiring migration of monarch butterflies at the American Museum of Natural History's 'Monarch’s Journey' exhibit by Peter Kuper.

Each fall, millions of monarchs from Canada and the U.S. travel thousands of miles to reach their winter home in the mountain ...

Every fall, millions of monarch butterflies embark on one of the most impressive journeys in the animal kingdom. From various ...

The Lakeshore Nature Preserve hosted University of Wisconsin Biocore students Sept. 13 to tag monarch butterflies in their ...

Conservationists are fitting Western monarch butterflies with tiny solar-powered transmitters. What they learn from these ...

Kristen Baum, director of the group Monarch Watch, said habitat loss has partially driven the large decline, including a drop ...

While the butterflies await federal protection, a local movement is underway to revive the butterflies in Goleta by ...

Thousands of monarch butterflies are currently migrating through Central Texas on their annual journey to wintering grounds ...

A migrating monarch butterfly (Danaus plexippus) recently brought into Sweetbriar Nature Center in Smithtown on New York’s ...

It's a bird, it's a plane, actually it's hundreds of Monarch butterflies migrating south for the winter. These butterflies ...

Researchers all over North America are attaching tiny transmitters to Monarch butterflies as they begin their migration to Mexico, to learn more about their stops and challenges.