The Fish and Wildlife Service is proposing to list the Monarch butterfly as threatened under the Endangered Species Act, citing loss of habitat to development, logging and use of herbicides. Since the ...

The hotter conditions produced more potent toxins in the milkweed. But the researchers said that surprisingly, the parasitic ...

A monarch butterfly at the Coastal Access Monarch Butterfly Preserve in Los Osos, Calif., on Jan. 20. (Gary Coronado / Los Angeles Times) The Western population of the monarch butterfly has declined ...

Nearly 90 percent of the monarch butterflies in the Western U.S. spend their winters along the California coastline and the majority of them come here to the Central Coast. Conservationists hope ...

More monarch butterfly habitat may be added alongside crops in Iowa and across the nation, thanks to a yearslong Iowa State University research project. North American monarch populations have ...

If you’ve admired the delicate beauty of monarch butterflies, you’ve likely also heard about the plight of the Western monarch (Danaus plexippus). The pollinator’s population has plummeted more than ...

Providing habitat for monarchs is the biggest way to support monarch butterfly populations, said Emilie Snell-Rood, a University of Minnesota professor who studies them. A monarch butterfly glides in ...

Want to help a vulnerable insect species? You can. It’s as simple as planting a specific plant in a patio pot or a backyard garden. For those interested, you can learn how to create a monarch ...

The annual migration south for monarch butterflies peaks in late September. Here's how to watch for the regal butterfly.

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 ...

AMES, Iowa — Enhancing the monarch butterfly’s habitat in rural and urban Iowa is the goal of a new, broad-based statewide effort. The Iowa Monarch Conservation Consortium, established through the ...

A Camarillo nonprofit founder believes a monarch butterfly preserve could be located where mature eucalyptus trees were cut ...