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

Add Yahoo as a preferred source to see more of our stories on Google. We have been encouraging our backyard milkweed to grow ever since we moved over five years ago. I have friends who have issues ...

Monarch butterflies are one symbol of immigrants, their seasonal migration likened to the journey of so many around the world. But the colorful harbinger of hope is facing a crisis itself. The final ...

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

A total of 160 monarchs across Mexico’s six butterfly sanctuaries have been tagged with new transmitters that will provide the most detailed look to date at the first leg of the the insects' migration ...

Monarch butterflies are well-known and beloved migratory pollinators in North America. NNehring via Getty Images For generations, monarch butterflies have traveled thousands of miles across North ...

Every year, millions of Methuselah or super generation monarchs overwinter in the oyamel fir forests of Central Mexico after a 3,000-mile journey from Canada. Then in spring, they start the whole ...

The monarch butterfly is iconic in North America — but in Montana, it is a rare sight. That’s why when landscaper Kathy Ross ...

New research shows climate change may push monarch butterflies farther south and make their long migration harder in the ...