Every March, millions of monarch butterflies begin a 3,000-mile migration from central Mexico to Canada, but no single butterfly finishes the journey. It takes three to four generations working in ...

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

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

AUSTIN (KXAN) — Monarch butterflies are back in motion, fluttering their way through Texas on a 3,000-mile journey that is part science, part magic, and all heart. While their wings may be delicate, ...

Trillions of insects embark, largely unnoticed, on epic journeys every year across mountain ranges, deserts and seas, and it is only now, as their numbers suffer huge declines, that scientists are tra ...

After years of worry about declining populations, monarch butterflies could be making a comeback across North America. The year started out well for the eastern monarchs. The NRDC cites a count of ...

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 ...

Monarch butterflies are returning to Michigan for the summer after migrating from Mexico. Michiganders can support monarch butterflies by planting milkweed, tracking sightings, and donating to ...

Monarch butterflies just scored a modest win in Mexico's forests. A new World Wildlife Fund Mexico survey finds that eastern monarchs occupied about 7.2 acres of oyamel fir forest this winter—up from ...

A daring surgical procedure has given a doomed monarch butterfly a new lease of life. The delicate operation was captured on ...