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 ...

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 ...

To view the wings without damaging the delicate cells, the research team used speckle-correlation reflection phase microscopy. This type of microscopy works by shinning tiny points of light onto a ...

Up to 20 layers of transparent scales on butterfly wings scatter white light to produce brilliant blue structural color. Alison Sweeney, Duke University, and collaborators at the Smithsonian Tropical ...

In a forested region of Angola where a cliff separates the landscape, a new species of butterfly was discovered. Getty Images/iStockphoto In the forests of northwestern Angola, the canopy of trees ...