For thousands of years, millions of monarch butterflies have migrated from the northern U.S. and Canada to Mexico for the winter. But exactly how they know where to go is still a mystery.

Monarchs traveled to a remote part of Mexico, a journey they've made for thousands of years, and wintered there. Now tens of ...

Monarch butterflies are making their flight north after wintering in Mexico. Here's what to know about one of Earth's fascinating flyers in Michigan.

The latest official report of monarch butterflies overwintering in Mexico has just been released and offers some ...

Chinese zoo turns to live streams, animal ‘adoptions’ to stay afloat Last year’s migration, however, offered a glimmer of hope for the monarch’s future. Their presence in Mexico was ...

FILE - A Monarch butterfly rests near a stream at Piedra Herrada sanctuary in the mountains near Valle de Bravo, Mexico, Jan. 4, 2023. (AP Photo/Marco Ugarte, File) Visit our YouTube page (opens ...

MEXICO CITY (AP) — The number of monarch butterflies wintering in the mountains west of Mexico City rebounded this year, doubling the area they covered in 2024 despite the stresses of climate ...