See what a pearl crescent butterfly and caterpillar looks like, and learn which flowers will attract them to your garden.

Why is General Electric Global Research so interested in the optical properties of butterfly wings? Rachel Won spoke ... is purely based on the intricate shape of a single photonic structure.

Welcome to the kaleidoscopic world of the butterfly wing. How do butterflies and moths (known collectively ... From that one ancestor, a parade of colours and shapes have burst forth, populating ...