Milkweed is the only plant that monarch caterpillars use as a food source. ©iStock.com/herreid Monarch butterflies have a unique two-way migration pattern. Their ...

The annual migration of monarch butterflies is one of science's great mysteries: millions of monarchs know the correct path even though they have never made the long journey themselves. As 60 Minutes ...

Monarch butterflies (Danaus plexippus) have long been known for their impressive migration abilities, with North American species traveling around 3,000 miles from the United States and Canada into ...

The annual monarch butterfly migration is starting. Learn peak timing for North Texas, how to help by planting milkweed.

There’s only one host plant for a monarch butterfly—milkweed! Choose native varieties for your area such as common milkweed, butterfly weed, swamp milkweed and showy milkweed. Create a monarch haven ...

But Mexico’s suitable monarch overwintering habitat could shift south as the climate changes in decades to come, researchers report February 25 in PLOS Climate. That could lengthen an already arduous ...

Monarch butterflies are famous for their annual migrations, but not all migrate. In recent years, more and more monarchs have been living and breeding year-round in California's Bay Area, thanks in ...

Monarch butterflies migrate with the sole purpose of avoiding the winter cold. Monarch butterflies migrate because they do not ‘overwinter’—the process of living through the winter—in cold climates.