We sometimes think of colors as objective properties of objects, much like shape or volume. But research has found that we experience colors differently, depending on gender, national origin, ...

When you look up at the blue sky overhead or gaze across the seemingly endless expanse of a blue ocean, you might think that the color blue is common in nature. But among all the hues found in rocks, ...

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 ...

When I give a public talk about space and show off the latest dazzling images from the Hubble Space Telescope or James Webb Space Telescope (JWST), one of the most common questions I get is, “Is that ...