The Western Monarch Count is underway, a community science project that aims to understand population changes for the orange ...

The magnetic compass is the last unknown sense in migrating animals. For some scientists, the monarch butterfly is leading ...

Monarch butterflies may hold the key to one of biology's biggest unsolved puzzles: how animals tap into Earth's magnetic ...

Biologists have attached tiny, solar transmitters to the monarch butterflies, allowing researchers and everyday visitors to ...

The Fish and Wildlife Service will miss by well over a country mile its deadline for deciding whether to protect the monarch butterfly under the Endangered Species Act. One year after its Dec. 12, ...

For a second straight year, a low number of monarch butterflies have been counted at the popular Pismo State Beach Butterfly ...

The Trump administration has delayed a decision on whether to extend federal protections to monarch butterflies indefinitely MADISON, Wis. -- President Donald Trump's administration has delayed a ...

Editor’s Note: Nature Notes is a weekly column provided by Gulf Coast Bird Observatory ...

Texas highways sit directly in the path of monarch butterfly migration, and researchers say vehicle collisions are a major – ...

Monarch butterfly count at Pismo State Beach Monarch Grove was only 471 in 2025. The counts have been falling in the California overwintering site for more than three decades.

The monarch butterfly is Illinois' state insect and has held that distinction for 50 years — having been suggested for the honor by third grade classes in Decatur in 1975. But the butterfly is also in ...