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 ...

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 ...

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 ...

These workshops are open to the public at no cost, which can make it easier for people who do not know how to get started.

Monarch butterfly populations are rebounding. Learn how planting milkweed in your garden helps them thrive.

Every Monday in August, Heidi Emmons is leading a group of citizen scientists into fields containing milkweed to count monarch caterpillars and eggs. The goal is to learn more about how monarch ...

Monarch butterflies are booming on parts of the Canadian prairie, thanks in part to a wet and hot summer that's produced a ...