Excavations at Domus Aurea, the former imperial residence of Roman emperor Nero, have yielded remnants of the rare Egyptian ...

Imani Perry traces the history and symbolism of the color blue, from the indigo of the slave trade, to Coretta Scott King's ...

Known as “Egyptian Blue,” it’s among the oldest synthetic pigments in the world, with the newly found ingot weighing more than five pounds. Archaeologists excavating the Domus Aurea, ...

Archaeologists excavating near the Colosseum found a rare chunk of Egyptian blue pigment dating back about 2,000 years. Photo from Simona Murrone and the Colosseum Archaeological Park Across the ...

Arctic Blue is the first product from the partnership between natural color producer Oterra and Iceland’s VAXA Technologies.