Monarch butterflies are making their annual journey north out of Mexico to their summer breeding grounds. See where they've ...

Study co-author, Elise Zipkin, says Chicago could play an important role in butterfly populations in the future. "Conditions in other parts of the U.S., southern parts, may continue to get worse ...

The migratory monarch butterfly has a lifespan of two to six ... summer breeding grounds and migrate as far north as southern parts of Canada. The species was listed as endangered in 2022 by ...