New research shows climate change may push monarch butterflies farther south and make their long migration harder in the ...

Suitable milkweed habitat in Mexico may shift south, fracturing existing migration routes and possibly pushing some ...

Suitable habitat for migrating monarch butterflies will shift southwards because of climate change, according to a study ...

On a recent warm July day in Reseda, residents of the San Fernando Valley got free narrowleaf milkweed to plant in their gardens — part of a greater effort to improve the population of endangered ...

NORFOLK — A few weeks ago at The Hague School, environmental biology and chemistry teacher Karen Spencer, along with a crew of parents, planted beds of milkweed, which is the sole host plant for ...

Climate warming can impact plant quality, which in turn shapes the nutrition and immune defense of insect herbivores like monarch butterflies.

As temperatures rise, monarch butterflies begin their remarkable trek north, renewing one of North America’s most iconic ...

It’s a sunny July afternoon, and Grayslake neighbors Annie Lawson and Heather Bauer are standing at the side of Lawson’s home, carefully going through her garden of milkweed plants. Lawson points at ...

The monarch butterfly is easily identified by its bold orange, black and white coloring. This fascinating insect goes through an amazing life cycle consisting of four stages: egg, larvae, pupa, and ...