In the forests of central Mexico, the number of monarch butterflies grew for the second year in a row, suggesting the ...

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

Monarch butterfly numbers are flying higher, but they still have many miles to go. According to a pair of 2025-2026 reports from the World Wildlife Fund and partners, the population of eastern monarch ...

UC Master Gardeners helped transform a neglected site by a freeway offramp in Atascadero into a rest stop for migrating monarch butterflies.

“Monarch Magic,” Butterfly Pavilion’s monthlong celebration of the iconic butterfly, showcases the little pollinators and all they do for humanity, from their cultural impact to ecological ...

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

Monarch butterflies have begun fluttering across Michigan after a migration that began in Mexico. The brightly colored insects have been reported in southeast Michigan, migration watchers say.

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

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 ...