Scientists used tiny new sensors to follow the insects on journeys that take thousands of miles to their winter colonies in ...

Monarch butterflies undertake a migration journey spanning 3,000 miles. That journey mirrors many migrants' experiences, ...

Each fall, millions of monarch butterflies fly across Texas skies on their 3,000-mile journey to the mountains of central ...

“The most iconic place to see monarchs here in Santa Barbara County is the Goleta Butterfly Grove in Elwood Mesa,” Cusser said. “On a good year, you can see hundreds, even thousands, of these ...

This year, 500 monarch butterflies began their annual migration wearing a tiny tracker that weighs less than a grain of rice.

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 ...

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 ...

Two test sites were chosen: one along Interstate 10 near Ozona in West Texas and another at the Lavaca Bay Causeway on the ...

Support monarchs with native plants like goldenrod and aster. These fall bloomers fuel their 3,000-mile migration to Mexico.