Even some modern shades of blue used by artists today are called Egyptian blue in homage to the ancient pigment. Ancient rome ...

While archaeologists in Norway were excavating an ancient burial ground, they found themselves looking at a pile of rocks. Their attention settled on one reddish slab, which they identified as the ...

Egyptian blue, also known as calcium copper silicate or cuprorivaite, is a pigment first developed in Egypt and Mesopotamia more than 4,000 years ago. It was used also in ancient Rome, with Romans ...

As a volcanic eruption darkened the sun roughly 4,900 years ago, a Stone Age culture sacrificed hundreds of decorated stone plaques to try to coax it back. A trove of engraved stones unearthed ...

An ancient and enigmatic stone circle in the Middle East may not ... Tom writes mainly about science, space, archaeology, the Earth and the oceans. He has also written for the BBC, NBC News ...