A plump caterpillar hangs upside down, and seconds later a monarch butterfly pumps its wings to life. This timelapse captures ...

Add Yahoo as a preferred source to see more of our stories on Google. We have been encouraging our backyard milkweed to grow ever since we moved over five years ago. I have friends who have issues ...

Monarch butterflies are preparing to migrate south soon. Here's how to see them in Missouri before they leave for the winter.

Southern California residents were encouraged on Wednesday to report sightings of western monarch butterflies as part of an ...

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 ...

Monarch butterflies, with their striking orange and black wings, are some of the most recognizable butterflies in North America. But they're in trouble. Monarch caterpillars can only eat the leaves of ...

Land Trust of Napa County scientists are expanding native milkweed habitat at Sutro Preserve, where about 20 monarch ...

A trio of German entomologists has found that young monarch caterpillars switch from avoiding milkweed-toxin-rich latex to eating it as they get older. Their paper is published in the journal ...

As western monarch butterflies prepare to retreat to groves along the California coast for the winter, conservationists are ...

Add Yahoo as a preferred source to see more of our stories on Google. Courtesy Cynthia Farr Weinfeld It's no secret that monarch butterfly populations are struggling. Counts at their wintering sites ...