Not seen on the Delmarva peninsula in 27 years, the endangered Hessel’s Hairstreak butterfly reveals itself in a Delaware swamp. For the first time in 27 years, the rare Hessel's Hairstreak butterfly ...

It's the size of a 10-cent piece and matures under the guard of protective ants, but the purple copper butterfly needs more ...

Butterflies are beautiful, delicate marvels of nature. While their lovely appearance may be inspiring, there’s nothing a butterfly can teach us about renewable energy – or is there? An ambitious ...

The spectacular iridescence of butterfly wings has captivated many a scientist. Over 70 years ago, the bright colour of particular species' wings was attributed to thin-film interference effects ...

Morpho, a specific species of butterfly not pictured here thanks to the vagary of imaging rights, is an iridescent butterfly. How does it achieve that sparkling look so beloved by biologists and ...

SAN FRANCISCO (KPIX 5) -- The once-dwindling population of a beautiful, blue iridescent butterfly has seen a rebound thanks to the efforts of a Bay Area biologist who took his work home with him. The ...

This is the blue morpho butterfly, which has a cool alien-sounding name, but also has inspired a new biomimetic fabric that refracts light like the butterfly’s wings. It’s just one of the eco-friendly ...

Scientists at the University of Exeter have been studying the iridescent wings of the tropical blue Morpho butterfly. Apparently, it holds promise for a variety of applications, such as photonic ...