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

A first look at new research from the forests of central Mexico.

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Add Yahoo as a preferred source to see more of our stories on Google. Monarch butterflies have begun fluttering across Michigan after a migration that began in Mexico. The brightly colored insects ...

The California State Parks Foundation is asking Californians to track sightings of western monarch butterflies to help save the dwindling insect population. The California State Parks Foundation, a ...

A daring surgical procedure has given a doomed monarch butterfly a new lease of life. The delicate operation was captured on film, and you can see it for yourself in this extraordinary Instagram post.

Add Yahoo as a preferred source to see more of our stories on Google. If you have noticed fewer monarch butterflies fluttering around the yard this summer, you're not alone. Several butterfly ...

Take a closer look at the insects you’ll spot on milkweed during a Minnesota summer — including some that help, some that ...

The number of monarch butterflies spending the winter in the western United States has dropped to its second-lowest mark in nearly three decades as pesticides, diminishing habitat and climate change ...

MONARCH This is a recent photo of the now-rare monarch butterfly, submitted with location by a local hiker to the citizen-scientist app, iNaturalist. The app crowdsources observations of wild nature ...