It usually takes just two to three days for them to build up their strength.

With their relatively large 3- to 4-inch wingspan and bold orange-and-black coloration, monarch butterflies are one of the most identifiable insects in Wisconsin. Arguably one of the most popular, too ...

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 (Danaus plexippus L.) is one of the most widely popular butterfly species in North America. We are accustomed to seeing its beautiful orange wings with black-veined outlines ...

An orange-and-black wave is moving south across North America as monarch butterflies embark on one of nature's most remarkable migrations.

Peak monarch butterfly migration begins in the Carolinas and Georgia as the butterflies continue their annual fall journey south.

Every fall, millions of monarch butterflies set off on a journey spanning thousands of miles—and several generations. Where ...

Millions of monarch butterflies will soon migrate across the U.S. Here's when you can see the most butterflies in Louisiana ...

Monarch butterflies are being digitally tracked in the region for the first time. The journey could reveal long-held mysteries about the insects' migration patterns.

Why are thousands of monarch butterflies heading to AL? The annual fall migration is about to bring them through the state.

The Western population of the monarch butterfly has declined to a near-record low with fewer than 10,000 found living in California this winter, a foreboding sign for the future of the beloved ...