A new report from WWF‑Mexico shows that the endangered migratory eastern monarch butterfly is showing promising signs of ...

The endangered monarch butterfly migrates thousands of miles across the Americas. A new Bluetooth-enabled smartphone app ...

Migrating monarch butterfly populations have been on the decline for years. This year has been different, with a significant ...

The insects covered its largest area since 2018, despite threats from habitat loss, climate crisis and pesticides ...

A first look at new research from the forests of central Mexico.

A newly released survey of the eastern monarch’s 2025-26 winter population in Mexico showed a 64% increase over 2024-25.

An annual count of monarch butterflies conducted by the United States and Mexico as the insects migrate back and forth over ...

One of the biggest success stories of the Endangered Species Act is the bald eagle, which was on the brink of extinction due to pesticides and hunting in the 1970s. It was removed from the list in ...

Monarch butterflies are now listed as endangered.

WASHINGTON (AP) — The monarch butterfly fluttered a step closer to extinction Thursday, as scientists put the iconic orange-and-black insect on the endangered list because of its fast dwindling ...

America's beloved monarch butterfly is facing possible listing as a threatened species. The Trump administration is expected to announce this week if it supports protecting the monarch under the ...

U.S. officials moved Tuesday to protect the monarch, an iconic orange and black butterfly famous for its marathon migration across North America, under the Endangered Species Act. The U.S. Fish and ...