Painted lady butterflies (Vanessa cardui) are migrating into Colorado and large numbers of them have been spotted up and down the Front Range. Gardeners, are you plagued by prickly invaders and ...

It’s taken more than a decade, but scientists have cracked the case of these colorful insects found thousands of miles away from home. Painted lady butterflies (Vanessa cardui, shown resting on a bush ...

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 ...

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

First came the chartreuse hillsides. Then the purple, yellow, and white wildflowers. Now, there are orange and black butterflies. They’re painted ladies, to be exact. By the millions, the butterflies ...