The Western monarch population has plunged more than 95% since the 1980s, and has a more than 99% chance of extinction by 2080. Western monarchs primarily spend winters along the California coast.

Although the monarch butterfly is not formally listed under the United States’ Endangered Species Act, it’s nonetheless ...

The monarch butterfly was removed from the endangered species list this week in an unusual reversal just over a year after the iconic orange-and-black migratory butterfly was put on the ...

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 ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. The U.S. Fish and Wildlife Service announced on Tuesday plans to list ...

Thanks to tiny new trackers and Bluetooth, scientists—and you—can now follow the epic journeys of individual butterflies.

They would become the most commonly seen species to receive federal protection if the proposal is adopted. By Catrin Einhorn Federal wildlife officials proposed on Tuesday that monarch butterflies ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Every winter ...

SAN FRANCISCO – Each year, millions of majestic orange and black monarch butterflies make an extreme, multi-generational 3,000 mile migration across the United States, flocking to wintering grounds in ...

One of Saskatchewan's most recognizable insects has returned to the province for another summer breeding season, and ...

The city hopes to provide support for the endangered species as it migrates for winter.