Watch a Monarch caterpillar go through metamorphosis and become a gorgeous butterfly. In this awe-inspiring timelapse, we see ...

Monarch butterflies are important culturally and ecologically across North America. Generations have watched in wonder as yellow-and-black striped caterpillars fold into green-and-gold chrysalises and ...

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

Monarchs are unique for their metamorphosis process ... young caterpillars feed exclusively on them. Butterfly conservationists encourage people to plant them where they can to promote monarch ...