Egyptian blue is an ancient color, sometimes vivid, sometimes barely hanging on. But shine visible light on it and view it through the right camera, and suddenly, a second version blazes out—one ...

Hippopotamuses are not blue. Yet, in ancient Egypt, there are small figurines of hippopotamuses that glow blue. Why was a ...

Ancient Egypt is a gold mine of humanity’s best artwork from antiquity. Remarkably, many artifacts from this era retain their vibrant colors to this day—and scientists now understand how this was ...

Few plants are more celebrated in Egyptian mythology than the blue lotus, a stunning water lily that stars in some of archaeology’s most significant discoveries. Researchers found its petals covering ...