The legendary Macedonian King Alexander III, famously known as Alexander the Great (who was educated by the titanic Greek ...

The night sky in July a phenomenon that reminds skywatchers how remarkable it is just to be alive and to experience such ...

Later Greek geographers like Strabo (1st century BCE-1st century CE) consistently used the name "Persian Gulf." Roman historians and geographers, including Claudius Ptolemy (2nd century CE) and ...

At a time when knowledge of the world was fragmented and based on travelers’ and merchants’ accounts, one man set out to organize the information and give it a scientific approach. His name was ...

Claudius Ptolemy was an Alexandrian polymath who used his skills to create an atlas around 150 CE; this gathered together all of the known geographic information of the 2nd century Greco-Roman world.

Ancient history of noting retrogrades Claudius Ptolemy, an ancient Greek astronomer, had one of the first written records of explaining retrograde motion in the second century A.D.

Throughout the centuries, the mythical Stone Tower has been a fascinating enigma for geographers, historians, and archaeologists worldwide. This location is mentioned in Claudius Ptolemy’s Geography ...

During these trips, he learned about Claudius Ptolemy, the Greco-Roman astronomer and mathematician who mapped the cosmos in the second century.

Around the second century C.E., the Greek astronomer Claudius Ptolemy listed 48 “official” constellations in his book Almagest. No original copy of Almagest has survived, so we don’t know ...

Egyptian scholar Claudius Ptolemy —known as the “inventor of geography”—revolutionized the field by recording latitude and longitude in the second century A.D., while Gerardus Mercator ...

Claudius Ptolemy, an astrologer and astronomer in Alexandria, Egypt, laid down the foundation of Western astrology in his text Tetrabiblos, emphasizing the individual aspect of astrological ...