More recently, a manuscript once thought to be penned by Claudius Ptolemy, the renowned Egyptian mathematician and astronomer of Greek descent, has been deciphered. The ancient text, dating back ...

Claudius Ptolemy was a Greek mathematician, astronomer and geographer who lived in the Egyptian city of Alexandria while under the rule of the Roman Empire. Much of medieval astronomy and ...

Claudius Ptolemy (150 AD) map drawn from Ptolemy's coordinates for a 1482 edition of his Geographia (The Ulm Edition, Leinhard Holle) Lands beyond the bounds of the known world tantalized the ...

The great cartographers, such as Claudius Ptolemy, Martin Waldseemüller, Muhammad al-Idrisi, Abraham Ortelius, and Gerardus Mercator, have left an enduring legacy in history. Their ability to ...

One was the 1522 edition of the Geography of Claudius Ptolemy, the other a collection of historical narratives whose authors included Marco Polo and Christopher Columbus. It’s impossible to know ...

Astrology and astronomy – the words sound so similar. So why do you get such a stink-eye from your friend the astronomer when ...

It was the astronomers and mathematicians of the Islamic world who provided the theories and concepts that paved the way from the geocentric theories of Claudius Ptolemy in the second century AD to ...