This year’s count of 4.42 acres of occupied forest habitat is nearly twice as large as last year's, but eastern monarch ...

Millions of black and orange wings will flutter across the U.S. this spring, as the monarch butterflies make their annual trip from Mexico to Canada.

The number of monarch butterflies wintering in the mountains west of Mexico City, rebounded this year, doubling the area they ...

WASHINGTON— The annual count of migratory monarchs who spend the winter in Mexico was released today and shows that the ...

The population wintering in central Mexico's forests occupied 4.42 acres, up from 2.22 acres during the previous winter.

The film explores the life cycle of the Monarch butterfly, detailing its remarkable migration journey of up to 6,000 kilometers from Canada to Mexico. It explains the butterfly's anatomy, including ...