Monarch butterflies—including western monarchs, who winter in California and spend summers west of the Rockies—were recently proposed for listing as threatened under the Endangered Species Act.

Monarch butterflies are among the most studied insects in the world due to their impressive seasonal journeys across North America. Yet, their populations face mounting challenges as climate change ...

Before National Geographic published its famous August 1976 cover story detailing the search for the monarch butterfly’s wintering grounds, nobody knew where these strikingly beautiful creatures ...

For the past three years, more than 200,000 western monarch butterflies spent their winters along the California coast — huddling together in tall tree groves, finding respite from the wind from ...

Copyright 2025 The Associated Press. All Rights Reserved. A butterfly sits on a leaf at Monarch Grove Sanctuary in Pacific Grove, Calif., on Nov. 10, 2021. (AP Photo ...

Before National Geographic published its famous August 1976 cover story detailing the search for the monarch butterfly’s wintering grounds, nobody knew where these strikingly beautiful creatures ...

Beauty on the Wing: Life Story of the Monarch Butterfly is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV ...

When is the best time to see monarch butterflies in Arkansas? Expect them this spring! Learn all about their migration and where they will end up. Millions of monarch butterflies will leave the ...