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

The population of the eastern monarch butterflies in Mexico doubled this past winter season, according to a WWF survey.

What sounded like leaves rustling in the wind was the flickering wings of thousands of monarch butterflies as they flitted ...

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

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

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

Mexican officials and environmental groups say better weather conditions on the butterflies’ migration route caused the ...

National Plant a Flower Day is all about celebrating the beauty of flowers. Planting them can also help save pollinators like monarch butterflies.

Butterfly Pavilion’s new exhibit highlights the cultural connections between humans and their invertebrate neighbors.

A new study finds butterfly populations in the US have dropped 22% since 2000 due to pesticides, habitat loss, and climate ...

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