Marvelous Monarchs: The butterflies are free - all you need is patience and milkweed George Carlin once observed that "the caterpillar does all the work but the butterfly gets all the publicity." Not ...

Most of us learned about butterfly metamorphosis as a kid -- a wriggly caterpillar molts its skin to form a tough chrysalis and emerges as a beautiful butterfly. But how exactly do chrysalises stay ...

Every other Friday on Morning Edition, the Outside/In team answers a question from a listener about the natural world. “What happens inside a chrysalis during metamorphosis?” asked Chris, writing from ...

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 tiny ...

When the Black Swallowtail Butterfly makes its debut each spring, seeking out colorful flowers for nectar, Maddison is able to identify it from its unique wing shape and distinctive black, yellow and ...

The Sacramento Mountains checkerspot butterfly is critically endangered, with the last known larva living in a lab in New ...