For the first time in California, citizen scientists can join the effort to track monarch butterflies thanks to Blu+, a new ...

In recent years, the number of monarch butterflies has been declining, and researchers don’t know the exact cause.

In late 2024, a tagged monarch named Lionel migrated from New Jersey to Florida, logging thousands of detections along the ...

The Fish and Wildlife Service will miss by well over a country mile its deadline for deciding whether to protect the monarch ...

The Trump administration has delayed a decision on whether to extend federal protections to monarch butterflies indefinitely. The U.S.

An international collaboration to track individual monarchs kicked off this fall, including James Madison University.

For centuries, monarch butterflies have traveled thousands of miles across North America, guided by instincts that scientists ...

Van der Heide got her start at Cal Poly, tagging monarchs by numbering their wings in Sharpie and trying to find them later ...

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

Monarch butterflies from the western United States have arrived in Santa Cruz and other parts of the California coast, ...

The city of Chamblee and Chamblee Mayor Brian Mock have been honored by the National Wildlife Federation’s (NWF) Mayors’ ...