Researchers have deciphered an ancient manuscript that they think Claudius Ptolemy, an Egyptian mathematician and astronomer of Greek descent, penned during the first century A.D. Written in Greek on ...

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 geography ...

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 ...

In a sunlit gallery of the Museo Archeologico Nazionale in Italy, astronomer Brad Schaefer came face to face with an ancient statue known as the Farnese Atlas. For centuries, the 7-foot marble figure ...

SCREF copy Purchased with Adopt-a-Book funds. The Greco-Roman mathematician Claudius Ptolemy is one of the most significant figures in the history of science. He is remembered today for his astronomy, ...

Almost 2,000 years ago a great Egyptian Greek mathematician, astrologer, geographer and astronomer made some deft calculations -- using what was to be later called Ptolemy’s Theorem -- to calculate ...

Explorers didn't sight Antarctica until 1820. But that didn't stop centuries of imaginative geographers from boldly declaring its existence. Follow the course of Antarctic mapmaking, from ancient ...

It seems like an odd question at first. Of course he didn't. No one invented the Solar System-unless you're going to suggest God in some fundamental sense. And for decades after Copernicus, most ...

As the amount and complexity of scientific data increases, the need to better visualize that information becomes more important. In the new book Atlas of Science: Visualizing What We Know, author Katy ...