Could ancient Egypt have had lost technology beyond what we understand? This investigation takes you deep into Saqqara, the Serapeum, and other mysterious sites to uncover evidence of precision-cut ...

Egyptian blue, also known as calcium copper silicate or cuprorivaite, was developed more than 4,000 years ago in Egypt and Mesopotamia.

Vote for the best art museum once per day until polls close on February 27 at noon ET. The 10 winners will be announced on ...