Scientists illustrate through computerized models how Medieval Arabs and Muslims used their astronomical instruments.

On South Jianguomen Street in the East City District stands the Exhibition Hall of Ancient Astronomical Instruments, the descendent of an observatory first built in 1279 in the Yuan Dynasty.

The discovery of an 11th-century Islamic astrolabe in Verona, Italy, has captivated historians and scientists alike. With inscriptions in both Arabic and Hebrew, it’s not just a rare artifact but a ...

The astrolabe is an ancient astronomical tool of incredible versatility ... While it’s nowhere near as complicated an instrument, this astrolabe puts us in the mood to watch the entire ...