After decades of working in parallel worlds of sculpture and fiction, Barbara Chase-Riboud is achieving deserved worldwide ...

Researchers have recreated the world's oldest synthetic pigment, called Egyptian blue, which was used in ancient Egypt about 5,000 years ago.

A team of Washington State University-led researchers has recreated the world's oldest synthetic pigment, called Egyptian ...

In a remote windswept part of Nevada lies one of the oldest and most mysterious petroglyphs in North America, a window into ...