Featured in Butterflies
These infrared images show just how alive butterflies’ wings are
They contain “wing hearts” that pump blood and regulate temperatures.
This butterfly’s wings are transparently toxic
The tropical insects' gliders are a warning signal to predators.
How To: Shooting the Great Butterfly Migration
Making the most of a couple million monarchs.
Up-Close With Insect Photography
Photographer Jo Whaley makes bugs theatrical stars.