The U.S. Fish and Wildlife Service announced during the waning days of then-President Joe Biden’s term in December 2024 that ...

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

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

Federal wildlife officials on Tuesday moved to add the monarch butterfly to its endangered species roster, citing decades of steep population decline of the striking black-and-orange insect. The U.S.

The tags weigh just 60 milligrams — about three grains of rice. Researchers have tagged more than 400 monarchs this year and ...

The monarch butterfly (Danaus plexippus) population has plummeted by 80% to 95% since the 1990s, depending on the region and ...

MADISON, Wis. — U.S. wildlife officials announced a decision Tuesday to extend federal protections to monarch butterflies after years of warnings from environmentalists that populations are shrinking ...

John Dias is a three-time Emmy Award-winning reporter for CBS News New York. He is known for his engaging storytelling and commitment to delivering impactful news coverage. A broken wing almost ended ...

Whether you’re a butterfly fanatic or simply interested in nature, the monarch butterfly is worth a study. Beautiful and serene, monarch butterflies have a unique lifespan. But how long do monarch ...

Professor Elizabeth Crone, Department of Evolution and Ecology, checks a non-native milkweed in the San Francisco Bay Area for monarch butterfly eggs and caterpillars. Known for long-distance ...

The number of monarch butterflies in California is in sharp decline this year, and biologists say record-high late summer temperatures and drought in the west likely contributed to the dropoff. The ...

Only 7% of LAist readers currently donate to fund our journalism. Help raise that number, so our nonprofit newsroom stays strong in the face of federal cuts. Donate now. MADISON, Wis. — U.S. wildlife ...