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.

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

The film "Monarch Butterfly Story" explores the life cycle of the Monarch butterfly, detailing its stages from egg to caterpillar, to pupa, and finally to butterfly. It highlights the butterfly's ...

The U.S.' butterfly population fell 22% over 2 decades. Here's why you should be concerned—and how you can help save these vital pollinators.

A study, published Thursday in the journal Science, found that 22% of butterflies in the United States disappeared between ...

MEXICO CITY, Mexico — The number of monarch butterflies wintering in the mountains west of Mexico City rebounded this year, doubling the area they covered in 2024 despite the stresses of climate ...

These are the gorgeous monarch butterflies. They once were in abundance just *** few decades ago, but now they're *** rare sighting indeed. And that's likely because they're now endangered.