The monarch butterfly is iconic in North America — but in Montana, it is a rare sight. That's why when Kathy Ross discovered monarchs breeding in her Bigfork garden last summer, she knew it ...

Learn facts about the monarch butterfly, including how how to tell male and female monarchs apart and if monarchs are ...

Monarch butterfly migration is a long journey. Learn how these amazing butterflies make the trip, where monarchs migrate to and why.

Across North America, monarch butterfly populations will begin their journey southward to warmer winter climates in Mexico, travelling across much of the United States, including Oklahoma, along their ...

Arkansas is a great place to spot monarch butterflies as it falls directly in their migration path! While monarch butterflies travel through Arkansas in both the spring (late March to April) and the ...

The monarch butterfly population has declined in recent decades, leading to a proposed listing as threatened under the Endangered Species Act. People can help monarch butterflies by planting milkweed, ...

Professor Elizabeth Crone, Department of Evolution and Ecology, checks a non-native milkweed in the San Francisco Bay Area for monarch butterfly eggs and caterpillars. Known for long-distance ...

Amid the eucalyptus groves at Natural Bridges State Beach in Santa Cruz, local bug enthusiast Sasha Hernandez squinted through the draping green leaves, searching for flashes of black and orange — the ...

As millions of monarch butterflies make their way from Canada to Mexico this fall, you’ll have the chance to see some of these spectacular insects along the Alabama coast. Several groups in Baldwin ...

Every fall, an incredible migration occurs through the state of Indiana, where millions of tiny monarch butterflies fly on their way to overwintering grounds in Mexico, only to return in the spring to ...

Thanks to tiny new ultralight radio tags small enough for a fragile butterfly to carry, scientists are getting a rare, real-time look at how western monarchs move through their winter habitat. It’s ...