From 2003 to 2019, amateur butterfly enthusiast Harlan Radcliff spent his lunch breaks observing butterflies on the grounds of the Camp Dodge military installation in central Iowa. Diane Debinski, ...

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 ...

Researchers are seeking help from the public in finding monarch butterflies that are overwintering in Southern states instead of migrating. It's not clear why so many stay behind. Here is an ...

The U.S. Fish and Wildlife Service has proposed listing the monarch butterfly as a threatened species. Here's what happens ...

The iconic monarch butterfly is declining across North America. You can help make a difference by providing the species with its food plant: milkweed. A monarch butterfly gliding over a field on ...

Stay up-to-date with free briefings on topics that matter to all Californians. Subscribe to CalMatters today for nonprofit news in your inbox. For the past three years, more than 200,000 western ...