The monarch butterfly life cycle begins with a whirl of wings in the heat of the summer sun. As a female monarch sips nectar from a wildflower, a male hovers nearby. A pheromone is released from ...

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 ...

Monarchs are on the move. Each spring, these delicate yet resilient butterflies embark on an awe-inspiring journey from their wintering grounds in Mexico, making their way northward across the ...