The monarch butterfly is a beautiful and colorful creature, but it takes a while to reach that part of its adult life.

Monarch butterflies cluster in the early morning light in the Monarch Butterfly Biosphere Reserve in Michoacán, Mexico. The Mexican wintering population is the most one of the most susceptible to ...

The International Union for Conservation of Nature placed the monarch butterfly on its Red List of Threatened Species as endangered in July, but despite decades of declining numbers, the delicate ...

Mary Ann’s dedication and the scientific efforts at Disney illustrate how community action and innovation can unite to protect monarchs.

Despite some conservationists’ concerns, UC Davis researchers show that tropical milkweed has minimal impact on California monarch butterflies’ migratory patterns.

More than a dozen volunteers planted 850 milkweeds throughout the Spring Ridge Wildlife Sanctuary on Monday as part of a budding monarch butterfly habitat conservation project. Through a grant from ...

As I crisscross the county this summer to share environmental experiences with students, I can’t help but notice all of the ...

Butterfly species numbers dropped 22% across the U.S. between 2000 and 2020. Habitat loss, climate change, pesticides are the main causes.

And this year, the U.S. Fish and Wildlife Service (USFWS) proposed listing the North American migratory monarch butterfly as “threatened” under the Endangered Species Act, which means they ...

Four rare species have fluttered into view during my continuing quest to photograph the endangered Mount Charleston blue ...