Animals are living color. Wasps buzz with painted warnings. Birds shimmer their iridescent desires. Fish hide from predators with body colors that dapple like light across a rippling pond. And all ...

Animals sculpt the optical properties of their tissues at the nanoscale to give themselves “structural colors.” New work is piecing together how they do it. Peacocks, panther chameleons, scarlet ...

A few years ago, Professor Liz Tibbetts stumbled upon something surprising. She noticed that wasps had striking facial features—including fake eyelines and distinctive marks. At the time, people ...

Even some animals have two coats: one for summer to match the bare ground and a winter white to match the snow. But the study found some possible refuges for these creatures: Geographic regions that ...