Beijing Ancient Observatory is located in the southwest side of Jianguomen crossroad at Dongcheng District. It is a special topic site museum of nature science displaying Chinese ancient ...

An ancient and enigmatic stone circle in the Middle East may not be a prehistoric astronomical observatory after all, according to a new study of satellite images. But some of the criticisms may ...

Archaeologists have identified the first ancient Egyptian astronomical observatory on record, which they say is the "first and largest" of its kind, according to a translated statement from the ...