Monarchs rely on milkweed as the sole host plant for their caterpillars, and without it, their populations struggle to thrive ...

These late-blooming plants native to North America help feed butterflies — especially monarchs-— at a crucial point.

Monarch butterfly populations are plummeting, with a shocking 96% drop recorded in the Western Monarch Count. Scientists warn ...

Monarch butterflies are migrating through Texas for Spring. Here's what you need to know about these fabulous flyers.

Scientists have long known that milkweed cardenolides, which in most animals disable a vital sodium-potassium pump enzyme if they are absorbed into the blood, serve to make caterpillars and ...

Monarch caterpillars eat 200 times their weight in milkweed and can devour a whole leaf in less than 5 minutes. Monarch butterflies are poisonous to predators because of the chemicals in the milkweed ...

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

It's hard to believe that milkweed has nearly disappeared from Vermont's landscape in just a few short years. In the Green Mountain State, corn crops are everywhere and along the edges of those fields ...

We are sure many of you are familiar with the monarch butterfly and perhaps have noticed their decline in recent years. This ...

Monarchs lay their eggs on milkweed plants and the young caterpillars feed exclusively on them. Butterfly conservationists encourage people to plant them where they can to promote monarch populations.