The U.S. Fish and Wildlife Service said it is reopening the public comment period for a proposed rule to list the monarch ...

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 ...

In a turn of events, the eastern monarch butterfly population — which was put on the list of endangered species just a few years ago — nearly doubled this year, according to a March report ...

Hoe ze hun overwinteringsplek terugvinden, blijft een mysterie. The Monarch Butterfly Biosphere Reserve World Heritage property protects key overwintering sites for the monarch butterfly. The ...

There's nothing quite like seeing a monarch butterfly spread its wings and glide through the air. It can certainly provide a sense of calm to life's everyday stressors. But the monarchs' numbers ...

Every spring and fall, Oklahomans watch as the brightly patterned orange and black butterflies make a pitstop in the state during their miles-long, twice-yearly migrations. The migratory monarch ...

The World Wildlife Fund's latest count of migratory monarch butterflies offers some encouraging news for the eastern population while the western population may be struggling to survive.