The monarch butterfly life cycle begins with a whirl of wings in the heat of the summer sun. As a female monarch sips nectar ...

Monarch butterflies are making their flight north after wintering in Mexico. Here's what to know about one of Earth's fascinating flyers in Michigan.

Monarch butterflies are making their flight north after wintering in Mexico. Here's what to know about the fascinating, ...

The natural world is replete with hermaphrodites, animals that may outwardly appear male or female but have the ... crustaceans—and butterflies. Evolutionary biologist Josh Jahner explains ...