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

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 ...

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

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 ...

Climate warming can impact plant quality, which in turn shapes the nutrition and immune defense of insect herbivores like monarch butterflies.

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 ...

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 ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. DENVER (KDVR) — This spring, be on the ...

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 ...