Monarchs are usually seen in Michigan from late spring to early fall.

Monarchs traveled to a remote part of Mexico, a journey they've made for thousands of years, and wintered there. Now tens of ...

For thousands of years, millions of monarch butterflies have migrated from the northern U.S. and Canada to Mexico for the winter. But exactly how they know where to go is still a mystery.

Monarch butterflies are making their flight north after wintering in Mexico. Here's what to know about one of Earth's fascinating flyers in Michigan.

Monarch butterflies are incredibly unique in that ... These wintering grounds in Michoacan, Mexico, are not just a refuge for the monarchs, but an example of why it's important we continue to ...

Conservationists in the region said Gomez's death could be linked to his opposition to illegal logging in Michoacan, where monarch butterflies spend their winter A second Mexican conservationist ...

In mid-November, swirling orange-and-black clouds appear in the skies above the Monarch Butterfly Biosphere Reserve, a 139,019-acre sanctuary carved out of the Transvolcanic Belt by the Mexican ...

Hoe ze hun overwinteringsplek terugvinden, blijft een mysterie. The Monarch Butterfly Biosphere Reserve World Heritage property protects key overwintering sites for the monarch butterfly. The ...

From a distance, they appear like autumn foliage: millions of endangered monarch butterflies blanketing trees in a kaleidoscope of brown, orange and black. As the crisp mountain air warms, they ...

Monarch butterflies are migrating north and have been spotted in states near Michigan. Although their wintering population doubled this year, monarchs have experienced a significant overall ...