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

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

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 ...

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

Suitable habitat for migrating monarch butterflies will shift southwards because of climate change, according to a study ...

For generations, Oregonians have looked to the skies to witness one of nature’s most spectacular journeys: the migration of the monarch butterfly. But this iconic species is in crisis. Since the ...

To some people, seeing a monarch butterfly has meaning. These orange and black fliers can be a symbol of strength, change and ...

As temperatures rise, monarch butterflies begin their remarkable trek north, renewing one of North America’s most iconic ...

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 that hatch in the spring and early summer live fast and die young at only two to six weeks. But those that emerge in late summer can survive six to nine months. That’s long enough ...

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 ...

Every year, for millions of years, a huge number of painted lady butterflies have migrated thousands of miles across Europe, the Middle East and Africa. Though they've been a common sight throughout ...