Recently discovered, the earliest dated English scientific instrument is going under the hammer at Christie's auction house in London on Wednesday. The palm-sized copper-alloy "horary quadrant," which ...

An 11th-century artifact sitting in an Italian museum has been identified as a scientific instrument inscribed with an incredible surprise: signs of use by Muslim, Hebrew and Christian users. Federica ...

The Smithsonian Institution Archives welcomes personal and educational use of its collections unless otherwise noted. For commercial uses, please contact [email protected] International media ...

A remarkable astrolabe showing academic collaboration between Muslims and Jews in 11th-century Spain has been fortuitously uncovered by a Cambridge University history lecturer. The discovery came last ...