The number of monarch butterflies completing their famous migration to central Mexico is dramatically shrinking. Every spring, hundreds of millions of butterflies east of the Rocky Mountains fly up to ...

Every year, for millions of years, a huge number of painted lady butterflies have migrated thousands of miles across Europe, the Middle East and Africa. Though they've been a common sight throughout ...

Move over, monarchs. The painted lady butterfly (Vanessa cardui) now boasts the farthest known butterfly migration. Though found across the world, the orange-and-brown beauties that live in Southern ...

When a butterfly emerged from its chrysalis and unfurled its wings, an entymology-exhibit volunteer thought someone was playing a joke on him. Freelancer Michael Franco writes about the serious and ...

Wetter conditions in Sub-Saharan and North Africa at certain times of year can result in hundreds of times more Painted Lady butterflies making the 14,000 km round trip to Europe. Findings improve ...

In Chicago, hundreds of Mexican-American families are growing monarch butterflies, watching a caterpillar ball up into a green chrysalis, then morph into a flashy orange insect. They know that, by ...

Every fall, millions of monarch butterflies cross Iowa on their way to winter roosting sites in the forests of Mexico. In 2003, the Des Moines Register talked to Robert Woodward, then a Drake ...

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