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 ...

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 ...

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 ...

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 ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Painted lady ...

A species of butterfly found in Sub-Saharan Africa is able to migrate thousands of miles to Europe, crossing the Saharan Desert, in years when weather conditions are favourable, scientists have found.

Scientists have recently mapped the painted lady butterfly's annual flight from equatorial Africa to northern Europe and back, the world's longest... Every year, for millions of years, a huge number ...