California's wildlife conservation societies are urging people to come forward to help save these iconic pollinator species.

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 ...

The Endangered Species Act is no help yet.

SALT LAKE CITY — The iconic monarch butterfly, sporting its splashy orange and black wings, has been in serious decline for decades. Now, the U.S. Fish and Wildlife Service is asking for the public to ...

The monarch butterfly, perhaps the most recognizable butterfly in North America, is in trouble: since the mid-1990s, their population has declined 90 percent from its 20-year average, and their ...

Monarch butterflies are among the most beloved insects in North America. They are brightly colored and unique, both as caterpillars and later as mature insects. Monarchs are found in every U.S. state ...

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

With its charismatic appearance and awe-inspiring migrations, it's not surprising that the monarch butterfly motivates gardeners to provide extra care for these pollinators in their gardens. These ...

Climate warming reduces nectar quality in flowers, leaving migrating monarch butterflies with less energy to survive winter.

The Trump administration said Tuesday that it is reconsidering adding protections to the monarch butterfly as a threatened species under the Endangered Species Act. The U.S. Fish and Wildlife Service ...