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 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, ...

An iconic butterfly that waits out the cold months along the California coast each year may soon get added protections. The U.S. Fish and Wildlife Service has proposed listing the monarch butterfly as ...

NPR's Ayesha Rascoe talks with NPR science correspondent Jonathan Lambert about the decision, as well as other conservation efforts the U.S. Fish and Wildlife Service is proposing as 2024 winds down.

The once-common orange-and-black butterflies have declined by 90% in recent decades, with the latest count showing the second smallest population on record, according to the Center for Biological ...

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

Butterflies sit on a pine tree at Monarch Grove Sanctuary in Pacific Grove, Calif. Researchers say that the population of western monarch butterflies is well below what it used to be. One of the most ...

President Donald Trump's administration has delayed a decision on whether to extend federal protections to monarch butterflies indefinitely despite years of warnings from conservationists that ...

Adult monarch butterflies are large with bright orange wings, white spots and black veins and boarder. The U.S. Fish and Wildlife Service is recommending federal protections for the species as factors ...

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

Every winter, millions of monarch butterflies journey thousands of miles across North America to spend winters in the forests and mountains of central Mexico. But over the years, the beloved butterfly ...