The U.S. Fish and Wildlife Service said it is reopening the public comment period for a proposed rule to list the monarch butterfly as a threatened species under the Endangered Species Act. The ...

The monarch butterfly population has declined in recent decades, leading to a proposed listing as threatened under the Endangered Species Act. People can help monarch butterflies by planting ...

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 ...

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 ...

It's almost spring! And March 12 is National Plant a Flower Day, the perfect day to bask in the sunlight and plant flowers that will help pollinators like the endangered eastern monarch butterfly.

AUSTIN, Texas — The eastern monarch butterfly population is growing, and Texas Agriculture Commissioner Sid Miller says ...