Add Yahoo as a preferred source to see more of our stories on Google. monarch caterpillar on leaf© iStock.com/DBPITT The post The Incredible Speed of a Milkweed ...

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 ...

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, 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 ...

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 must grow where they’re planted (or, rather, laid) but David De La Mater says if he were a monarch caterpillar with a choice, he’d pick a nice stand of milkweed in New England. De ...

Nature is full of interesting relationships between animals and plants. Insects rely heavily on different plants for food and shelter, including the monarch caterpillar, which feeds primarily on the ...

Since it takes multiple generations of milkweed-eating caterpillars to get the monarch population from Mexico to Canada each year, the monarchs rely on milkweed plants throughout their migration path.