A sweeping new study reveals that butterfly populations across the continental United States have plummeted by 22% over the past two decades. For every five butterflies that graced the skies in 2000, ...

Find out when to prune a butterfly bush and how to make the right cuts to enjoy more flowers on this fast-growing shrub.

A research team has identified a new species of tiger swallowtail butterfly living in eastern parts of North America. In their study, published in the journal ZooKeys, Julian Dupuis, B.