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

Along the 35-mile stretch between Sonora and Ozona, a “river of monarchs” was flying across the highway at windshield height.

San Antonio classes teach gardeners to grow native milkweed, supporting monarch butterfly migration and population health. But it's not that simple.

Whether its the imminent threat of climate change, destructive weather systems or the toll of human impact, some of Earth's most incredible, important and enchanting corners are facing a precarious ...

Monarch butterfly numbers are down by 80% overall and remain just one-third the size needed to avoid migratory collapse.

The city of Phoenix has planted several gardens to support struggling monarch butterflies, including one at the downtown ...

Thirty delicately carved monarch butterflies greet walkers and cyclists who cross Fredericton's Bill Thorpe Walking Bridge, which spans the Saint John River.Each brightly painted wooden butterfly ...

As monarch butterflies continue their epic migrations and face ongoing threats, the blend of grassroots care and high-tech science offers hope.

But milkweed is more than just a wildflower — it is an essential plant for monarch butterflies, an important part of native ecosystems, and a beautiful addition to pollinator gardens.

Two managers at a San Diego construction project were trying to boost the morale of workers in the middle of the COVID pandemic. In this StoryCorps, hear how some monarch butterflies helped.