A newly released survey of the eastern monarch’s 2025-26 winter population in Mexico showed a 64% increase over 2024-25.

An annual count of monarch butterflies conducted by the United States and Mexico as the insects migrate back and forth over ...

Suitable milkweed habitat in Mexico may shift south, fracturing existing migration routes and possibly pushing some ...

A total of 160 monarchs across Mexico’s six butterfly sanctuaries have been tagged with new transmitters that will provide ...

For the past quarter century, the future of monarch butterflies has looked dire, with these iconic American insects flitting ...

Monarch Butterflies, one of the most recognizable symbols of conservation in our country, are beginning their famous ...

Every year, millions of Methuselah or super generation monarchs overwinter in the oyamel fir forests of Central Mexico after ...

Monarch Watch is contributing to a comprehensive study of the Monarch butterfly migration by tracking butterflies with tiny ...

The monarch butterfly, Texas' official state insect, is in the middle of its 2,200 mile migration from Canada to Mexico — and you may be just in time to witness the remarkable journey. When is peak ...

MEXICO CITY (AP) — The first monarch butterflies have appeared in the mountaintop forests of central Mexico where they spend the winter, Mexico’s Environment Department said Saturday. The first ...

FARGO — Families had a chance to learn about monarch butterflies on Wednesday night, Aug. 20, as they began their migration. Urban Plains Park hosted a monarch butterfly tagging event Wednesday.

Each year, monarch butterflies migrate between Canada and Mexico, a generational flight with deep environmental resonance.